Shared Flashcard Set

Details

Fire Department
Strategic and Tactical Considerations on the Fireground. James P. Smith, Author, (2002) Pearson Education, Inc
944
Other
Not Applicable
07/11/2005

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Cards

Term
How often shold personnel operating at a collapse rescue be rotated for rehabilitation?
Definition
Once every half hour or less
Term
When should the general debris removal phase of a collapse rescue begin?
Definition
Only after the incident commander is certain there are no more survivors
Term
Which of the following terms best describes the art of putting essential units in the right place and keepin unnecessary units out of the way to allow continued access for later arriving equipment?
Definition
Street management
Term
What should the first two ambulances at a collapse rescue do upon arrival?
Definition
They should establish medical command and initiate triage
Term
Which of the following best describes the zone established for several blocks around a major incident where non-emergency vehicles are not permitted to move?
Definition
Frozen zone
Term
Which of the following tools should be used in the surveillance and monitoring of a suspected area of building movement?
Definition
Surveyor's transit
Term
During a selected debris removal phase of a collapse rescue, what kind of role should the company officer assume?
Definition
The officer should assume a strictly supervisory role, monitoring progress and condition of the members
Term
Which class of building construction are the following tools most suited for in a collapse rescue during the selected debris removal phase? (jackhammers, circular saws and torches)
Definition
Class I
Term
During the selected debris removal and tunneling phase of a collapse rescue, use of the following type of equipment should be forbidden?
Definition
Power demolition equipment
Term
You and your crew can perform a selected debris removal and are coming close to the victim. Which of the following best describes the tools that should be chosen at this point?
Definition
Hand powered tools only
Term
Which of the following statements best describes how a fire compnay should contend with department jacks and other support equipment utilized at a collapse rescue?
Definition
Removing them may cause additional unnecessary injuries
Term
This type of collapse is so named because the floors of the structure fall in layers. Location of victims is simplified in this type of collapse since floors maintain their physical aspects. Which of the following best describes this situation?
Definition
Pancake collapse
Term
This type of collapse results when a floor fails in the midle, usually due to overloading or being burned away under load. IN this case the walls and floors above remain intact, although any floors below may collapse because of the impact from floors abo
Definition
V-Shaped void
Term
This type of void may be found in any type of collapse. The result from spaces formed by a series of strong objects that prevent collapse into a particular section. Their presence is more difficult to locate, since they occur at random, depending upon l
Definition
Individual void
Term
This type of void results from the failure of the support from one end of a floor or roof. If one bearing wall blows out while the other reamins intact, the floor will drop at that end. Which of the following best describes this void that is created?
Definition
Lean-to void
Term
Which of the following items should a team searchign for missing or trapped firefighters bring with them?
Definition
Spare SCBA for each victim, A search rope, Each team equipped with a portable radio and masks, Set of forcible entry tools, Handlights
Term
Place in order the following five stages of collapse rescue plan
Definition
Reconnaissance, Accounting and removal of the surface victims, Searching voids, Removal of selected debris and tunneling, Removal of the general debris
Term
In which pase of the collapse plan is intelligence gathering conducted?
Definition
Reconnaissance
Term
In collapses there are __ common types of voids?
Definition
4
Term
Which of the following is usually a method of sounding an emergency evacuation signal at a fire ground operation?
Definition
Have all apparatus on the fireground turn on all audible warning devices (sirens, air horns, electric sirens) until they are ordered to be turned off by the incident commander
Term
You are assigned to establish a collapse zone of a sixty foot tall structure. How far from the base of the building should your collapse zone be?
Definition
60 feet

Although Norman reports the collapse zone must be equal to the size of the structure, IFSTA recommends that the collapse zone be equal to 1 1/2 times the size of the structure
Term
What is the average weight range of a masonry wall per cubic foot?
Definition
80 to 130 pounds per cubic foot
Term
In which of the following types of construction, should the collapse zone be increased to two and half times the facing wall?
Definition
bow string truss construction
Term
You are assigned to a truck company that has been tasked with breeching a hole through a floor. You and the crew notice that there seems to be some structural weakness when operating in the area. Which of the following would be the tool of choice for th
Definition
Circular saw
Term
In which of the following instances should a firefighter remove a structural component of a building?
Definition
Never, this action could precipitate a collapse
Term
Which of the following occupancies tend to have truss construction?
Definition
car dealerships and supermarkets, bowling alleys, churches
Term
When in command of a structure fire, the incident commander should be aware of potential indicators of collapse. One rule of thumb is, if heavy fire is buring for more than___, you should consider withdrawing your forces
Definition
20 minutes
Term
Which of the following best describes the situation in which large flows of water are entering a structure, but minimal amounts of water are running off and out of the structure?
Definition
There is the potential for collapse since the water must be collecting somewhere
Term
Which of the following metals has been used for structural supportin construction, and is also known to be brittle?
Definition
Cast iron
Term
As little as __ psi exerted laterally on a brick wall can cause the wall to collapse
Definition
1
Term
You are the incident commander of a fire within a multistory warehouse. Crews report storage of bailed cotton on several of the floors. In comparison to the original weight of the vail how much water can these bails absorb?
Definition
Their full weight (double the original weight)
Term
In addition to the increase in weight, what is another hazard associated with stored rolls of paper, baled rags or bailed cotton?
Definition
When the absorb water they can swell up, therefore pushing out walls and knocking columns out of a plumb
Term
A fire department master stream appliance flowing at 1000 gpm can add approximately __ pounds to a building every minute
Definition
8,500
Term
Which of the following terms best describes structures that are built so that most of the weight rests on bearing walls?
Definition
Unframed construction
Term
Failure of which of the following structural members is usually more serious?
Definition
Column, vertical member, wall
Term
Exposed wooden structural features can be consumed by a fire. Which of the following indicate the generally accepted rate at which this occurs?
Definition
About one inch for every forty five minutes of open-burning time
Term
How much time can lightweight steel-bar joists be exposed to fire before losing their strength?
Definition
as little as 5-10 minutes
Term
Cast iron has great__strength but almost no __strength
Definition
Compressive; shear
Term
You are the safety officer of a large mill building fire. Part of your duties are to establish a collapse zone. Which of the following best describes the collapse zone you should establish?
Definition
An area that encompasses the height of the building and the full length of the building
Term
A steel beam has been heated to a temperature in which it has twisted, sagged and elongated. What is the danger in cooling this steel with a hoseline?
Definition
the steel will shrink back to its previously heated length and potentially collapse
Term
If a 100 foot long steel I beam is heated uniformly to 1000 degrees F, how long lengthwise will this beam expand?
Definition
9 1/2 inches
Term
At what temperature will a steel beam lose its strength and sag or twist?
Definition
1500 degrees F
Term
Which of the following terms best describes the type of construction in which most of the weight is carried by a steel or concrete supporting system?
Definition
Framed construction
Term
Which of the following methods should not be employed when attempting to extinguishing a fire contained in a chimney for a wood burning stove?
Definition
A standard handline hose nozzle discharged down the chimney
Term
Buildings that show the greatest resistance to collapse are those of Class __ construction
Definition
Class I: Fireproof construction
Term
When is a Class I constructed bulding at most risk for collapse?
Definition
A fire that is consuming form work of just recently poured floors in newly constructed buildings
Term
Which of the following types of buildings offer the greatest resistance to collapse?
Definition
Class I
Term
Generally, what are the dimensions of wooden columns in a Class IV construction?
Definition
12 inch by 12 inch
Term
Which of the following is not a property of carbon monoxide gas?
Definition
Odor of burnt almonds
Term
Which of the following are immediate signs of carbon monoxide exposure?
Definition
Headache, fatigue, nausea, Dizziness
Term
how long does it take for the gel sensors in a battery operated CO detector to reset?
Definition
24-48 hours and in some cases of high level exposures they will not reset
Term
What is an acceptable level of CO inside of residence, in which you would allow the occupant to return inside?
Definition
9.0 ppm
Term
Below __ ppm is an acceptable level of CO inside of commercial occupancy , where no one sleeps, in which you would allow the occupants to return inside.
Definition
35 ppm
Term
which of the following terms best describes the situation when smoke settles or is hanging in low spots?
Definition
Cold Smoke
Term
You are the incident commander of a reported fire in a multiple dwelling fire. Your companies report smoke on all floors with obvious fire. You notice smoke issuing from the chimney and realize that it is the middle of July. Where might you send compani
Definition
The cellar
Term
You're a lieutenant of an engine company assigned to investigate a light smoke odor in a department store. On arrival you find a dim flourescent light fixture. If this ia defective light ballast what should you expect to feel whe you touch the ballast?
Definition
A light filf of oil leaking from the ballast
Term
Which of the following extinguishing agents is preferred for electrical equipment fires?
Definition
CO2
Term
Which of the following statements regarding trash chutes in buildings is most correct?
Definition
Incinerator shafts are designed to be fire resistive while compactor shafts are not
Term
What color smoke suggest the presence of burning of Class A materials?
Definition
Grey- light brown
Term
What color smoke suggest the presence of incomplete combustion of Class A material?
Definition
Dark gray or yellow-gray
Term
What color smoke suggest the presence of burning of oxides of nitrogen?
Definition
Reddish brown
Term
You are the first arriving company officer to a reported building fire and find heavy rolling clouds of smoke violently twisting skyward, several blocks from the incident location. What should this indicate to you?
Definition
An intense fire deep within a building
Term
What stage of fire does light colored wispy smoke usually indicate?
Definition
Incipient
Term
Which of the following terms best describes the situation when heat is called for by a thermostat, oil and air are discharged into the firebox but ignition does not occur. Oil vapors fill the chamber and smoke pipe and then the control begins to recycle
Definition
Kickback
Term
Which of the following tactics should be employed when a fire is found burning inside of firebox on a fuel oil burner?
Definition
do nothing, the firebox is designed to have fire in it
Term
Which of the following terms best describes an infrequent, but the most dangerous oil burner malfunction response? It is characterized by a cloud of vaporized oil and air heated above its flash point and out of its container, looking for a source of igni
Definition
White ghost
Term
What color smoke suggest the presence of burning of petroleum-based products?
Definition
Black
Term
In large installation applications, what pressure does the pump that supplies oil to the nozle operate in fuel oil burners?
Definition
300 psi
Term
The safety circuit in a fuel oil burner will shut down the pump and fan if the igniter malfunctions or fails to light after-
Definition
90 seconds
Term
When an emergency develops in a fuel il burner, the fire department should close th e fuel valve and disable the unit by which of the following means?
Definition
by use of the remote control or emergency switch
Term
How many feet of cubic air must each gallon of No. 2 fuel oil be mixed with to burn efficiently?
Definition
2000
Term
What grade of fuel is most commonly used in midsize applications like apartment buildings and factories, and it has a flash point of 130 degrees F?
Definition
no. 4 fuel oil
Term
What is the minimum flash point of no. 6 fuel oil?
Definition
150 degrees F
Term
Which of the following terms best describes the breaking up of the oil stream into small particles so that the oil burns cleaner and more efficiently?
Definition
Atomizing
Term
In residential applications, what pressure does the pump that supplies oil to the nozzle operate in a fuel oil burner?
Definition
100 psi
Term
You're an engine company officer responding to a LP barbeque fire behind a private dwelling. The first engine should ensure a continuous supply of water, preferably from a hydrant capable of supply-
Definition
three to four- 1 3/4 inch diameter hoselines
Term
Why must hoselines reamin in palce even if the fire on a LP cylinder has been extinguished?
Definition
to control and disperse leaking vapor from the cylinder
Term
How many grades of fuel oil are there?
Definition
6
Term
What grade of fuel is most common for one and two family homes and has a flash point of 100 degrees F?
Definition
No. 2 fuel oil
Term
What grade of fuel is similar to kerosene and has a flash piont of 100 degrees F?
Definition
No. 1 fuel oil
Term
What is most often the cause of a BLEVE in a propane cyliner during a fire situation?
Definition
the metal wall of the cylinder is weakened by the heat of the fire causing failure
Term
the presure relief valve of a propane cylinder is designed to keep pressure inside of the cylinder at-
Definition
250 psi
Term
When the temperature of liquid propane is increased from 70 degrees F to 100 degrees F, what happens to the pressure exerted against the walls of the cylinder?
Definition
it is nearly doubled
Term
To prevent a BLEVE of a venting propane cylindr, where should water streams be directed?
Definition
At the top portion containing vapor
Term
What is a safe evacuation distance for a standard barbecue LP cylinder that has direct flame impingement and you think it might BLEVE?
Definition
150 feet
Term
which of the following is not a property of propane?
Definition
Lighter than air
Term
Which of the following is the explosive range for propane?
Definition
2.1-9.5%
Term
At what temperature does propane turn from liquid to a gas?
Definition
-44 degrees F
Term
If one gallon of propane was allowed to completely vaporize, how many gallons of vapor would be formed?
Definition
270 gallons
Term
which of the following terms best describes the situation that occurs when a liquid that is above its boiling point is suddenly released from its container and the superheated liquid expands rapidly to becom e a vapor? This results in an energy release t
Definition
Boiling liquid expanding vapor explosion
Term
Assuming there is no immediate life hazard or threats to exposed occupancies. Which of the following would be the best course of action for gas leaks that involve a fire?
Definition
Let the fire burn until the supply of gas is shut off
Term
During the winter time, especially in prolonged cold spells, the demand for gas may be higher than the available supply through pipelines. Utility companies may mix other gases in a process called "peak shaving". What might you expect the vapor density
Definition
1.00
Term
What is the vapor density of butane?
Definition
2.01
Term
Which of the following is not commonly found in liquefied petroleum gas?
Definition
Methane
Term
What makes underground gas leaks near structures more difficult to detect?
Definition
the odorant added to natural gas is filtered out in the soil making the gas harder to be noticed in the structures
Term
You're the incident commander of an exterior gas leak. Which of the following best describes the course of action you and the companies that you direct should take?
Definition
Notify the utility, have units approach from upewind with monitoring equipment, remove sources of ignition, and wait for the utility.
Term
When should fire service personnel attempt to stop a leak in plastic pipe?
Definition
Plastic gas pipes should never be touched by fire department personnel.
Term
A leak in plastic pipes is more dangerous than steel pipes. Which of the following is the best explanation for this increased hazard?
Definition
Plastic pipe is not grounded and static electricity can cause an explosion
Term
All of the following extinguishing agents should be used on a small fire at a gas leak, in a trench, except-
Definition
CO2
Term
What is the explosive range of natural gas?
Definition
4 to 14% in air.
Term
The odorant added to natural gas lets human smell the gas in s little as 1% in the air. this __ % of the lower explosive limit for natural gas?
Definition
25%
Term
Which of the following shouldl not be a potential source of ignition for an explosive gas/air mixture?
Definition
Alerting of a fire department pager
Term
You are a lieutenant assigned to an engine company. Your engine is called to handle a natural gas leak inside of a structure. The utility has been notified, the service to the premises has been shut down and search of the building is complete. Your comp
Definition
Ventilate the upper areas of the building, including the attic or cockloft
Term
In which of the following cases might an incident commander choose not to immediately ventilate a structure?
Definition
When the level of natural gas in teh structure is well above the upper explosive limit
Term
Which of the following actions should the incident commander of gas emergency involving a district regulator take?
Definition
Call for additional resources, prepare units for fire fighting and structural collapse, shut down gas service to every building within the area, search every building for overcome occupants
Term
What is the priority on the report of a gas leak for the fire department?
Definition
Notify the utility
Term
If a leak is found in a gas hot water heater, what would be the preferred point of contol for this leak?
Definition
Appliance cock
Term
You are the captain of the first arriving engine at a gas leak in multiple unit apartment dwelling. Upon arrival you find a heavy odor with readings on the combustible gas meter. You cannot determine the unit of origin. Which of the following control p
Definition
Service entrance cock.
Term
Which of the following statements about natural gas regulators is most correct?
Definition
Regulator failure allows for an increase of prssure to 2-4 psi which can intensify urner flames or blow out pilots and allo for the buildup of unignited gases
Term
Which of the following actions should be taken by the fire department when called to a gas emergency and a gas odor is present with a hissing sound being emitted from the vent on the regulator?
Definition
Notify the utility, and shut off the gas, search the involved premises for fire extension, a buildup of gas an overcome victims, vent the area as needed
Term
What product was contained in manufactured gas that allowed people to commit suicide by turning on oven jets with the pilot blown out?
Definition
carbon monoxide
Term
Which of the following fire department problems occurs when a district regulator fails in the open position and over pressurizes the gas service in the area?
Definition
A deluge of gas-related fires, leaks and explosions
Term
Which of the following would not be a usual cause of a long drain time when a leak has been isolated in a transmission line?
Definition
A leaky valve
Term
When city gate stations receive natural gas from the transmission pipeline, what does the gate station drop the gas pressure down to for distribution?
Definition
60-150 psi
Term
What pressure is found in gas mains of a low-pressure natural gas distributed system?
Definition
1/4 psi
Term
What pressures are found in gas mains of ahigh-pressure natural gas distribution system?
Definition
2 1/2-60 psi
Term
In a high-pressure gas distribution system, what pressure doesn the regulator at premises drop the gas to?
Definition
1/4 psi
Term
When an odorant is added to natural gas, __ of odorant can treat up to one million cubic feet of natural gas
Definition
1/4 of a pound
Term
Which of the following are some inherent problems with the odorant added to natural gas?
Definition
a leak of mercaptan at the odorant area is a flammable liquid spill, the odorant can wash out when gas travels through soil
Term
What is the vapor density of natural gas?
Definition
0.60
Term
Which of the following gas emergencies presents the greatest danger?
Definition
Interior gas leaks
Term
What pressure is gas shipped across the United States in transcontinental pipelines?
Definition
pressures between 350-850 psi
Term
Which of the following gases makes up more than 90% of natural gas?
Definition
Methane
Term
What gas can ben sampled for by fire departments or utilities to pinpoint the sources of persisitent gas odors with no apparent source?
Definition
Ethane
Term
which of the following is not a property of natural gas?
Definition
it is toxic...

Natural gas is explosive and an asphyxiant of high volumes are present to displace oxygen. Mere contact with natural gas is not toxic
Term
Since natural gas is odorless, which of the following is added as an odorant to give natural gas the recognizable gas odor smell?
Definition
Mercaptan
Term
Mercaptan compounded with sulfides is added to natural gas. When it is added at its normal concentration, leaks of natural gas as little as __% can be detected in the air.
Definition
1.0%
Term
When is a poured in place structure most vulnerable to collapse?
Definition
during the first 48 hours after the concrete is poured
Term
How long must concrete cure to reach its greates load carry-capacity?
Definition
28 days
Term
Which of the following terms best describes the separation of concrete chunks with explosive force, caused by steam expansion of the water trapped insided concrete?
Definition
spalling
Term
Which of the following methods should be used to safeguard occupants of buildings where they occupy spaces above unfinished spaces?
Definition
Don't allow the occupany to occur, Require temporary sprinklers in the unfinished spaces
Term
Which of the following terms best descrives a wall with no load?
Definition
Free-standing wall
Term
Which of the following walls should be considered the most stable?
Definition
bearing wall
Term
What is the biggest danger of relying upon membrane fire protection systems in buildings under construction?
Definition
Since it usually consists of hung ceilings, it is one of the last items to be installed during the construction process
Term
At what temperature does unprotected steel lose its strength?
Definition
1,500 degrees F
Term
How long must concrete cure before it can ever support its own weight?
Definition
48 hours
Term
Which of the following best describes the biggest hazard associated with wrapping a building under construction with canvas tarps or plastic sheeting in cold weather to retain heat for the curing of concrete?
Definition
Flammable gases can build up from leaking LP cylinders, making an explosive atmosphere
Term
It is often an overlooked item, but most construction codes require the standpipe system to keep pace with construction. At an absolute minimum, where should the nearest completed standpipe level be in relation to the highest level of construction?
Definition
Within two floors of the highest level of construction
Term
which of the following will most likely be found during stand pipe operations at a building under construction?
Definition
a closed sectional valve due to testing, an uncapped riser
Term
Which of the following terms best describes a wall that carry's a load?
Definition
Bearing wall
Term
Which of the following statements best describes the use of an elevated platform at a fire wehre the structure is under construction?
Definition
Personnel should be clear of the opposite side of the building since debris mght be propelled out of the building
Term
which of the following statements is most accurate concerning open vertical shafts in buildings under construction?
Definition
Because the guarding can be made of wood or rope, they may have been consumed by the fire, allowing a member to fall into the shaft
Term
You are company officer assigned to investigate the report of a fire on the fifth floor of a building under construction. How should you and your crew ascend to that location?
Definition
it us uslaly quicker and safer to make access off fire department ladders, either aerial or portable
Term
You and your company need to ascend a building under construction to a floor above the reach of fire department ladders. How can you tell if you are getting the proper hoist meant for personnel?
Definition
the personnel hoist will have controls in the car
Term
Which of the following are unique challenges, posed to firefighters, by buildings under construction?
Definition
fire load, fire control operations, structural problems dut to state
Term
Which of the following are factors in fast spreading fires at construction sites?
Definition
Large quantities of combustible materials, ample sources of ignition, fire protection features may not yet be present
Term
You're on an in-service tour of a building uder construction. A representative from the steel fabricating company approaches you and ask; "How long should I post a fire watch in the areas of cutting or welding operations, after the operation is complete?
Definition
30 minutes
Term
Which of the following would be the stream of choice for a fire in a building under construction?
Definition
An elevated platform with a 2 inch solid tip
Term
How many floors below the fire floor should the staging area be established?
Definition
3
Term
You're assigned to organize stairwell support at a high-rise fire that is on the 30th floor. How many personnel should you request from staging for this purpose?
Definition
15
Term
How many firefighters should be kept in staging as a ready reserve force during a high-rise fire situation?
Definition
12
Term
Where is the search and evacuation post located?
Definition
in a reasonably safe area above the fire
Term
Which of the following posts has direct control over all companies operating two floors above the fire and higher, in a high-rise fire?
Definition
SAE
Term
What is one of the most crucial factors when preparing for high-rise fires?
Definition
the training of all levels of firefighters in high-rise fire operations
Term
Where is the command post established in a high-rise fire?
Definition
in the building's lobby
Term
What does the operations officer have control over?
Definition
the fire floor and the floor above
Term
The __ post develops strategies, while the __ post implements tactics.
Definition
Command; operations
Term
what are the most important reasons for assigning two members to the operations post?
Definition
the operations officer may need to leave the post to monitor conditions on the fire floor
Term
Which of the following are last ditch methods of applying a stream to an upper floor high-rise, where fire conditions on the fire floor are untenable?
Definition
Lorenzo ladder, bent tip applicator
Term
In central core construction, what must attack teams be aware of when attacking the fire from a stair well?
Definition
the possibility that they might push the fire back around on themselve
Term
When attacking a fire in a high-rise of a core construction with scissor stairs, where must the standpipe connection be made?
Definition
The floor below on the opposite side of the building from the fire
Term
Which of the following terms best describes an open stairway connecting two or more floors in a single tenant's occupancy?
Definition
access stairs
Term
What is the preferred diameter hoseline and nozzle for standpipe operations in a high-rise structure?
Definition
2 1/2 inch diameter, with a 1 1/4 inch solid tip nozzle.
Term
Acccording to NFPA 14, pre 1993 high rise-bulding fire pumps are required to discharge their capacity at ___ psi at the highest hose outlet?
Definition
65
Term
According to the NFPA 14, pre-1993 high-rise buildings are limited to __psi pressure with in a standpipe zone.
Definition
125
Term
you are the incident commander of a 150' by 200' 27th floor fire in a high-rise. Companies are reporting full involvement of the fire floor. Which of the following options should you choose to contain this fire?
Definition
Ger companies above the fire to cut off extension and let the fire consume the majority of the combustibles on the fire floor
Term
You are company officer assigned to investigate the smoke condition reported on several levels of a high-rise structure. if you use an elevator to ascend in the building, where should you and crew exit the elevator?
Definition
two floors below any floor that reported smoke
Term
When a fire is within ___ floors of the elevator lobby or sky lobby, firefighters should walk up.
Definition
8
Term
When ascending an elevator during firefighting operations, precautionary stops should be made every ____ floors.
Definition
5
Term
Which of the following terms best describes practice of grouping all of the nonrentable spaces, i.e.: stairs, elevators, lobbies, electrical, and air shafts, in a centralized space, leaving more desirable perimeter as open floor space?
Definition
Core construction
Term
You and your crew have just arrived at the designated floor in an elevator. What shoul you and your crew do with the elevator after ensuring that you are in the right location and that stair access is available?
Definition
Send the car back to the lobby with a crew member
Term
Which of the following terms best describes , the total amount of time elapsed from the receipt of the alarm until an effective stream is flowing on the fire?
Definition
Reflex time
Term
Which of the following are valid reasons in choosing the use of elevators during a high-rise fire?
Definition
to reduce firefighter fatigue, to alleviate logistical problems of moving personnel and equipment, to reduce reflex time
Term
Which two of the following building features make the use of elevators for high-rise firefighting safer?
Definition
Blind shaft elevators, sky lobbies
Term
You are a company officer assigned to serach and ventilate the upper floors at a fire in a high-rise bulding that is currently on the 8th floor. you have decided to use a blindshaft elevator that services floors twelve and above. Why would you choose t
Definition
The elevator will not stop at the fire floor and the doors cannot open there
Term
When establishing a perimeter or fire line at a serious high-rise fire, how far should this be done from the structure?
Definition
At least one block away in all directions
Term
Which of the following affects the decision of the incident commander to utilize horizontal ventilation in a high-rise structure?
Definition
the effect of the wind, if there is a perimeter to keep civilians and personnel away from falling glass, temperature conditions and stack effect which can draw fire into the building instead of letting smoke out
Term
What is the greatest danger of using an elevator during a fire?
Definition
the elevator car will stop at the fire floor and open its doors
Term
When does use of an elevator become a necessity in a high-rise structure?
Definition
when the building is over twenty stories
Term
You're the company officer of a unit assigned to provide topside ventilation at a 25 story high-rise building. how should you and your company get to the roof?
Definition
Take the elevator to two floors below the fire and walk
Term
Which of the following factors are reasons not to use an elevator shaft for ventilation of a high-rise structure during fire conditions?
Definition
the hoistway door on the fire floor must be forced open, the opening created by the hoistway door is a hazard to members crawling around in zero visibility conditions, Hoistway doors on upper floors will allow the heat and smoke out
Term
Which of the following terms best describes, a sistuation in a sealed building when the temperature of the smoke generated by a fire is not sufficient enough to cause the smoke to rise to the top of the building?
Definition
stratification
Term
Which of the following terms best describes the situation that occurs in an air-conditioned high-rise building in hot weather, when the temperature inside the building is cooler than the air outside and this dense air tends to sink to the bottom of shafts
Definition
Reverse stack effect
Term
Which of the following must the incident commander know before using the HVAC system for smoke removal?
Definition
the exact location of th efire, manufacturer of the HVAC system, the floor layout and location of the stairs, the lcoation of firefighters and civilians, the fire conditions, whether the system wil endanger firefighters or civilians by drawing fire toward them
Term
Which of the following terms best describes the natural movement of air within a building that gets stronger as the building gets taller? This situation is caused by the rising of warm air through vertical shafts inside the building.
Definition
stack effect
Term
Which of the following terms best defines the situation when smoke from the original fire area rises upstairs to the upper floors, then spreads throughout the structure?
Definition
Mushrooming
Term
You are the incident commander at a high-rise fire. How would you direct operations to prevent mushrooming on upper floors of the structure?
Definition
Assign a company to provde ventilation at the top of vertical shafts
Term
For fire department response, what is a major disadvantage of newer style high-rises?
Definition
use of lightweight building materials
Term
Which of the following best describes, why HVACs in newer constructed high-rises present problems during fire situations?
Definition
Smoke and heat from even small fires can be trasported through out the building, and if horizontal ventilation is needed windows will need to be broken
Term
What is the best method of preventing smoke travel through the HVAC system?
Definition
automatic shut down of the HVAC system initiated by intake duct smoke detectors
Term
Which of the following make using HVAC for smoke removal a complex operation?
Definition
improperly used it could intensify fire conditions, it can draw the fire problem to safe areas
Term
Which of the following building systems does not need to be under direct control of the fire department initially?
Definition
Electrical
Term
What major high loss of life fire in 1911 spawned many of the fire safety features in the pre World War II high rise buildings?
Definition
Triangle shirtwaist fire
Term
According to Chief Michael Cronin of the FDNY, how many alarms were called when the Empire State Building was directly hit by a B-25 bomber?
Definition
3
Term
Which of the follwoing is not a prewar high-rise construction feature that aids in fire safety?
Definition
hung ceilings and wide open floor plans
Term
Which of the following should the occupants of a high-rise building be able to perform in the event of fire in the structure?
Definition
know how to transmit an alarm, know how to alert occupants, know how to prevent smoke from entering their rooms by sealing cracks and closing vents, know how to obtain fresh air if they become trapped in a room
Term
How many stories mus ta buildling be to be considered high-rise?
Definition
none of the above, any fire resistive vuilding beyond the reach of available ladders is considered a high-rise
Term
What occupants of Class I constructed building are most at risk in a fire situation.
Definition
Occupants on the fire floor and the floor directly above the fire area
Term
What is the minimum number of firefighters that should be assigned to search floors above the fire in a high-rise building when the fire is only a small area fire?
Definition
2
Term
What is the approximate distance a 100 foot section of steel beam will expand when heated 1,000 degrees F?
Definition
9 1/2 inches
Term
When a serious fire is involved in the cockloft of a taxpayer structure, what should the collapse zone include?
Definition
The entire sidewalk on all frontages of the taxpayer
Term
You are the incident commander of a fire that has extended into the cockloft space of a taxpayer. How many firefighters and how many saws should initially be committed to the roof?
Definition
Six firefighters and two saws
Term
Why is one 300 gpm handline better than two 150 gpm handlines at a taxpayer fire?
Definition
The hose stream provides better reach and penetration
Term
Which of the following is the weakest link in the chain of fire safety?
Definition
The building's occupants
Term
Which of the following tactics should be utulized whenopearting at afire in a store of a taxpayer, with heavy involvement?
Definition
position handlines several stores down, pull ceilings with a ten foot hook, position a telescopic platform in front of the fire building
Term
Which of the following causes the fastest extension of fire in a taxpayer structure?
Definition
Extension of the fire into the cockloft
Term
Which of the following factors compound the problem of a rapid fire spread in the cockloft of taxpayer?
Definition
multiple suspended ceilings, potential backdraft of confined ceiling spaces, potential for collapse of ceiling, difficulty finding the seat of the fire, potential for parapet collapse
Term
You are the company officer opeartion inside of a taxpayer store fire. You experience a heavy smoke condition at the ceiling with little or no visible fire. Which of the following techniques would assist you in this operation?
Definition
Ensure company memebesr are strking through all ceiling levels with hooks until roof is reached, make small inspection holes to see if the fire is over your head, When a hooks is retrieved from a cockloft space examine it for signs of fire presence
Term
How much would a six inch thick concrete floor, that measured ten feet by twenty feet weigh?
Definition
15,000 lbs.
Term
You are a company officer assigned to serach the floor above the fire floor. In part of your assessment of the fire conditions, you wish to find out what the flooring you are operating on is constructed of. How can this be done in a low visibility con
Definition
A forcible strike to the floor with a heavy metal tool. If the tool bounces it is most likely wood, if the tool thuds it is most likely concrete
Term
In fire resistive construction concrete floors are reinforced and can be considered safe to operate on. Buildings over what height would usually indicate the presence of fire resistive construction?
Definition
75 feet
Term
What diameter hose line should be utilized in the attack of a medium size fire in a taxpayer store?
Definition
2 1/2 inch diameter line followed by 1 3/4 inch diameter line to wash down areas missed by the first line
Term
In which of the following occupancies might a firefighter find tons of concrete poured on top of wooden floor joists?
Definition
Laundromat
Term
What types of loads are concrete floors strong against?
Definition
Compressive loads
Term
What can be added to concrete to make slabs more resistive to tensile loads?
Definition
Steel cables, rods or beams can be stretched in the concrete form before the concrete is poured
Term
Which of the following is not a reason why concrete, terrazzo, or mud tile floors are poured on top of a wooden floor joist?
Definition
To strengthen the load carring capacity of the floor
Term
How many pounds per cubic foot does concrete, terrazzo, or tile floors weigh?
Definition
150 lbs
Term
When should a hoseline be charged for attacking a cellar fire in a taxpayer structure?
Definition
Before descending the stairs into the cellar
Term
Where, should the ventilation holes be cut in a taxpayer structure that has a fire in the cellar?
Definition
the floor above the fire near a show window but not in the ingress and egress pathways
Term
What is the minimum dimensions of a ventilation hole for a cellar fire in a taxpayer?
Definition
Four feet by four feet
Term
According to Norman, if you don't darken a cellar fire in a taxpayer down after __ minutes you should change strategy
Definition
ten
Term
How many minutes should cellar pipes be operated before tryin gto reintroduce handlines to the cellar fire in a taxpayer?
Definition
One to two minutes
Term
Before venting a store's front window, the officer must check for signs of backdraft. Which of the following would indicate an impending backdraft?
Definition
Heavy smoke with no visible fire, highly heated windows, and smoke puffing in and out of the building
Term
Place the following steps in order for handling a potential backdraft in a taxpayer structure...
Definition
have the roof team vent a hole and ensure that fire is venting from it, place a 2 1/2 inch diameter hoseline out of the potential blast area, vent the storefront window with a hook, direct hose stream onto the fire and slowly advance
Term
What type of tactics should be employed when it is identified that a structure has been fortified with 1/8 inch steel plating to increase security measures?
Definition
Indirect attack should be employed by cutting a triangular opening in the steel gate and directing a 2 1/2 inch diameter hose line with a fog stream aimed up toward the ceiling to generate the maximum amount of steam
Term
How much hose should be stretched for a fire in the cellar in a taxpayer structure?
Definition
Twice the depth of the store plus one length
Term
Which of the following are advantages of using a 2 1/2 diameter handline over a smaller diameter hoseline at a taxpayer structure?
Definition
the volume and reach of the stream is greater, personnel are used more efficiently, the stream has more power for penetration into the cock loft
Term
You are assigned as the company officer of a ladder company. Upon arrival at a fire in a taxpayer structure, you are assigned by command to forcible entry functions in the rear of the structure. Which of the following tactics may be the least damaging
Definition
Wall breaching
Term
You and your company are assigned to forcible entry and encounter bolts penetrating through the door. what type of locking mechanism does this indicate?
Definition
A fox lock or drop-in bars
Term
Why are hydraulic forcible entry tools of limited use in commercial structures?
Definition
Almost all doors open outward
Term
You are captain assigned to an engine copmany. Your company arrives first at a taxpayer structure and roof construction appears to be steel bar-joist. What size and type nozzle will you choose for intial handline into the fire store?
Definition
2 1/2 inch diameter hoseline with a solid bore nozzle
Term
Where should ventiliation occur in taxpayer structures with a steel bar-joist roof?
Definition
horizontal ventilation as well as roof ventilation 20-30 feet from the area with saggin bar joists.
Term
What are the typical dimensions of a store in a taxpayer structure?
Definition
Twenty feet wide by seventy five to one hundred feet deep
Term
What type of hose should be used to make the hydrant connection when establishing a water supply in a taxpayer structure fire?
Definition
Soft suction or large diameter supply line from the hydrant to the engine
Term
Assuming an elevated platform is not available, where should the initial attack engine company spot their apparatus on arrival?
Definition
The engine should be in line with and across the street from the store allowing the use of the deck gun if necessary
Term
Which of the following would be signs of an impending roof failure with steel bar joist roofs?
Definition
the roof will sag
Term
What is the general spacing of joists in steel bar joist roofs?
Definition
two to six feet apart
Term
What is the typical spacing of wooden bowstring trusses?
Definition
Twenty feet apart
Term
What is the span of the gap created by a collapse of a single bowstring truss?
Definition
Forty feet
Term
What is a key factor that allows for firefighters to operate within a strip mall with a bar-joist roof?
Definition
steel can be protected from failure by applying hose streams
Term
If a trench cut were employed in a 75 foot deep section fo a taxpayer, how many feet of cutting would be needed?
Definition
210 feet
Term
What type of construction as the first floor poured directly over the earth?
Definition
Slab construction
Term
In newer taxpayers (strip malls) where does the majority of the fire load come from?
Definition
Materials stored within the structure
Term
Lieutenant Jones says fires in newer constructed strip malls (class 2 construction), do not have the hazard of a common cock loft. Lieutenant Jameson says that newer class 2 construction strip malls have the same hazard of a common cock loft as older tha
Definition
lieutenant jameson
Term
How fast can metal bar joist and corrugated metal deck roofs fail when exposed to fire conditions?
Definition
5 minutes
Term
Newer taxpayers, more commonly referred to as strip malls, are generally what NFPA classification of construction?
Definition
Class 2
Term
For the purpose of fire attack: Captain Richmond says, fires in strip malls are very different than that of fires in taxpayers. They should be fought using different tactics and strategies. Captain Newport says, fires in strip malls and taxpayers can be
Definition
Captain Newport is correct
Term
Which of the following are types of roofs commonly found on taxpayers?
Definition
bowstring truss, standard flat roof, inverted roof, metal deck on bar joists
Term
You are in command of a fire in a commercial multi-tenant building. Companies are reporting fire in the roof structure area of the building with a bowstring truss roof. Which of the following would be the best method to employ?
Definition
Evacuate the entire bulding and establish suitable collapse zones around the perimeter of the building
Term
Which of the following term best describes this definition? A fire behavior effect that is found in fires in apartment in Class 1 constructed building, that are venting to the ouside, with the door to the hall open and a stiff wind blowing into the apart
Definition
Blast furnace hallway
Term
If a building has units with living spaces on three floors with open staircases that extend floor to floor inside the unit, what would these units be called?
Definition
triplexes
Term
In a blast furnace hallway fire situation which of the following is not a viable attack option?
Definition
Continue operating in the hallway with intermediate hose streams
Term
A __ is a row of stores housed within a single building.
Definition
Taxpayer
Term
Generally what NFPA class of construction are taxpayers?
Definition
Class 3
Term
Which class of buildling construction does not usually have cockloft vents or fire escapes?
Definition
Class 1
Term
Because scissor stairs are often placed back to back in Class 1 building construction, how many standpipes are there in this situation?
Definition
1
Term
You are company officer faced with an apartment fire on the fifth floor of a Class 1 multiple dwelling building with scissor stairs. You need to get oriented to the fire floor and apartment location. What floor should you go to?
Definition
Third floor
Term
In a Class 1 building, what do most codes require for a rating on fire separation between the apartment and hallway and apartment to apartment?
Definition
2 hour
Term
In Class 1 construction how does fire usually extend to the apartment above the apartment of origin?
Definition
Autoexposure
Term
Place the following areas of danger to occupants in order from greatest danger to lesser danger.
Definition
the fire floor, the floor above the fire, the top floor
Term
If the fire is on the top floor of a multiple dwelling, what action should the roof team take in their search?
Definition
They should not search, instead they should vent the top floor windows and consider performing roof ventilation
Term
what does renovating do to multiple dwelling buildings from a firefighting prospective?
Definition
renovation usually creates cockloft voids on all floors with a drop ceiling, making firefighting more difficult
Term
Which of the following choices are factors in the collapse potential of multiple dwelling buildings?
Definition
vacancy and poor maintenance, the presence of cornices, lightweight truss construction
Term
What are the advantages of employing an elevated platform aerial in the presence of a well involved cockloft fire?
Definition
accurate operation of a master stream, can easily gain access to openings in a cockloft, allows for close observation of a stream.
Term
What are the most likely hottest places in a building other than the fire apartment?
Definition
the bulkhead of the staircase
Term
Why must two members immediately proceed to the roof of all multiple dwelling fires?
Definition
to check the bulkhead for overcome victims
Term
What is the first choice, if available, for the immediate roof team to reach the roof in a multiple dwelling fire?
Definition
use the stairwell in an adjoining building
Term
What should the second task of the immediate roof team be in a multiple dwelling fire?
Definition
to vent the skylight in the bulkhead , to prevent mushrooming on the top floor.
Term
Two firefighters are discussing tactics at the kichen table. Firefigther Rob says if it is difficult to stretch up a hose inside of a multistory building without a standpipe. An aerial with a prepiped water way can be used as a standpipe. Firefighter B
Definition
Firefighter Bill
Term
You are standing at the command post with the incident commander. He wants your company to begin overhaul operations in the far left wing of the building. What should this location be designated?
Definition
A wing
Term
When setting up and elevated platform for a defensive operation in a winged buildling with a cockloft fire, where should the turn table be spotted?
Definition
At the throat between the wings to make a defensive stance.
Term
In addition to spotting an elevated platform for a defensive operation in a winged building with a cockloft fire, what other tactics should be employed to cut this fire off?
Definition
make a trench cut in the throat of the building and hold a defensive position there with hose streams
Term
Which of the following actions is preferable when attempting to locate the proper staircase to stretch the attack line up in a building with multiple staircases?
Definition
Have a firefighter climb to the second floor and locate the proper apartment line
Term
You are an engine company officer, you have made your way to the fire floor and the door to the apartment has been left open filling the hallway with smoke and heat. Which of the following would be the preferred course of action to find the reported fire
Definition
Drop down a floor and locate the apartment line
Term
After the first hose line is stretched in a multiple dwelling fire, the second hose line could be stretched to all the following areas except?
Definition
To the fire floor by means of the opposite transverse stairwell
Term
What is the maximum nunmber of hose lines that should be stretched up a stairwell?
Definition
2
Term
What are wing stairs?
Definition
These staircases are located in each wing and have no connection to the other wing of a building
Term
What are transverse stairs?
Definition
theses staircases are located at remots points from each other, but a person can go from one stairway to another via a public hallway in all floors of the building. These are an asset to firefighting operations.
Term
What are isolation stairs?
Definition
These staircases have individual entracens, and floor landings are limited. There is no connection to other wings
Term
What are return stairs?
Definition
These staircases maintain the same relationship to the floor and apartmen ton all floors. they often have windows at half-landings
Term
When searching the floor above the fire which of the following is the best practice to follow?
Definition
Make sure you have forced entry into an apartmen tnot directly over the fire that can be used as an area refuge.
Term
You are an engine company officer arriving to afive story apartment building of Class 3 construction. you have fire in what appears to be at least two apartments on the fourth floor. what is the minimum size your initial attack line should be?
Definition
2 1/2 inches in diameter
Term
You are an engine company officer arriving to a six story apartment building of Class 3 construction. You have fire that appears to be confied to one apartment on the thrif floor. What is a sufficient size attack line for this fire?
Definition
1 3/4 inches in diameter
Term
What are scissor stairs?
Definition
These staircases have a change in location of the landing at each floor. They are usually found in Class 1 buildings
Term
Because of the high life hazards that are in multiple dwellings, in order to protect the greatest number of people, which of the following actions should be taken first?
Definition
Getting the initial hoseline deployed to protect the interior stairs
Term
You are the first arriving company officer at a multiple dwelling fire. You have a large number of occupants still inside the building. which of the following best descrbies the approach you should take handling this situation?
Definition
remove those in greatest danger first while protecting the greatest number of people in place.
Term
When you maintain control of a set of stairs in a multiple dwelling fire, you are ready to attack the fire, but you have occupants still egressing through the attack staircase. Which of the following actions should you take to extinguish the fire?
Definition
Firefighters should wait until the occupants have egressed down the stiars and then begin their attack of the fire.
Term
Which one of the following forcible entry methods is preferred at multiple dwelling fires?
Definition
One member with a hydraulic forcible entry tool that works all the doors on a floor and othe teams search
Term
You're assigned to oversee overhaul opeartions at a multiple dwelling fire that occurred in the kitchen of an apartment on the 5th floor. Where might you send crews to conduct a proper overhaul?
Definition
Firefighters should be sent to top floor in the apartment that would be above the unit to check for extention in the pipe chase and to the aparmten directly avove (6th) floor to check the pipe chse for extension to properly overhaul this particular type of fire
Term
You are a roof ventilation team member and notice that a soil pipe is hot to touch. Which of the following is your best course of action?
Definition
Cut and pull a hole around the waste pipe so the fire will be drawn out vertically, slowly extension into the cockloft
Term
Which of the following is harder to find?
Definition
Channel rail
Term
In Class 3 construction, generally steel beams are used if the building is more than __ feet wide.
Definition
25
Term
What would be the primary reason why members would be sent to the basement when a fire has extended into a vertical shaft?
Definition
To check for falling embers that could start a secondary fire at the bottom of the shaft
Term
Which of the following does not promote a rapid fire spread in multiple dwellings?
Definition
Elevator shafts
Term
Which of the following terms best describes, a furred-out space around a vertical steel I-beam?
Definition
channel rail
Term
What poses the greatest threat to a structure of a multiple dwelling during fire conditions?
Definition
The presence of channel rails and pipe chases
Term
It is common for elevators to be built with at least a __ hour fire resistance rating?
Definition
2
Term
Why are kitchens and bathrooms usually aligned above each other from floor to floor?
Definition
Economy of construction
Term
When responding to a fire in a dwelling, what would be agood indication that the building is a multiple dwelling on arrival?
Definition
Presence of four electrical meters on the side of the building
Term
What is an SRO?
Definition
Single-room occupancy
Term
How many people per unit are single room occupancies limited to?
Definition
families can be renting these units
Term
You are conducting a search of a multiple dwelling. What might tip you off that you are in an SRO?
Definition
Presence of padlocks on unit doors
Term
When conducting a serach of an SRO-
Definition
Even if a room is padlocked, search it. Often times young children are left unattended locked inside these occupancies
Term
When does the hydrant firefighter charge the supply line?
Definition
When she receives the order to charge the line
Term
How many well trained firefighters are needed to handle a normal private dwelling fire?
Definition
6-10
Term
What is the minimum number of families that a building must house to be considered a multiple dwelling?
Definition
three
Term
What time of the day does a multiple dwelling present high life hazards?
Definition
They present a high life hazard regardless of the time of day
Term
When should roof ventilation be conducted in a private dwelling fie?
Definition
attic fire, fire that extends out a window into the eves, basement fire in a balloon fram structure
Term
You are an engine company officer. You have been dispatched to a fire in a private dwelling. On arrival you notice that fire is threatening a near by exposure that has asphalt shingle siding. Where might you r first hose stream be deployed?
Definition
to the exterior of the exposure to prevent rapid fire spread
Term
you are an engine company officer. You have been dispatched to a fire in a private dwelling. On arrival you have a report of trapped occupants on the second floor. Wher emight your first hose stream be deployed?
Definition
Inside the fire structure to protect the egress and cut off extension in the process
Term
What should the primary functions of the truck company be at a private dwelling fire?
Definition
Search and removal of all occupants
Term
Using an in-line supply, what is the proper position for the first due engine?
Definition
Stopped just beyond the house so that the ladder can pull in behind the engine and spot in front of the house
Term
Which of the following describes a common construction method found in the East and Midwest in the late 1800's and early 1900
s, that used one piece 2x4 studs rising from the foundation up to the attic without any build-in fire stops?
Definition
balloon frame
Term
You are an engine company chauffeur. How long do you have to secure a water supply if the hose team is using a 1 3/4 inch in diameter hose line and your truck has a 500 gallon booster tank?
Definition
2 1/2 minutes
Term
which of the following is initially the primary concern when establishing a water supply in a private dwelling fire?
Definition
speed
Term
You are operating at a basement fire in a balloon frame structure. Your crew has been assigned to open the first floor walls and check for extension. You find heat in one of the stud bays. What should your next action be?
Definition
Place a hose stream in the stud bay facing upward
Term
What is a unique design feature of aprivate dwelling that is the second most serious defect in promoting the rapid spread of fire?
Definition
Lack of code requirements for interior finishes
Term
What is a unique design feature or private dwellings that is favorable in preventing the rapid spread of fire?
Definition
small room sizes
Term
How many midsize handlines (1 1/2 inch to 2 inch in diameter) should an incident commander be prepared to deploy in a private dwelling fire?
Definition
3
Term
What should be the expected water flow for three interior attack lines at a private dwelling fire?
Definition
400-600 gpm
Term
If a nearby exposure is a wooden exposure, how many additional gallons per minute should be added to the expected fire flow?
Definition
250 gpm
Term
Private dwellings account for more than ___ of civilian fire deaths annually
Definition
70%
Term
Where are the majority of victims found inside of private dwelling fires?
Definition
bedrooms
Term
What is recommended sequence of fire activities at private dwelling fires?
Definition
Secure the water supply, strectch a charged hoseline into position to protect the bedrooms, perform VES of all areas, extinguish the fire
Term
What is unique design feature of private dwellings that is the most serious defect in promoting the rapid spread of fire?
Definition
lack of an enclosed stairway
Term
When rescuing a large downed firefighter with only two rescuers in a narrow set of stairs, what kknow can be used to affix a line to control the descent of the downed firefighter on the stairs?
Definition
a clove hitch
Term
Which of the following devices would be most useful in teh removal of a downed firefighter up a flight of stairs from a cellar fire?
Definition
backboard
Term
Which one of the following is most often the direct route to reach a firefighter that has fallen through a vertical opening?
Definition
Through the same opening that the victim fell
Term
Which of the following knots could be used as a last-ditch method of removing a downed firefighter vertically up through an opening when only a rescue rope is available?
Definition
a handcuff knot
Term
In the United States, more than ___ homes burn every year
Definition
425,000
Term
Firefighter Pete says, that positive fans should not be used when firefighters are trapped because it may worsen fire conditions in remote areas of the building. firefighter Mary says, that positive pressure ventilation should be used because it may inje
Definition
Firefighter Mary
Term
What is the most preferable method of draggin an overcome firefighter wearing PPE and an SCBA by one member?
Definition
grab the downed firefighter by the turnout coat collar and drag her out head first
Term
how should a downed firefighter be dragged down a set of stairs?
Definition
The downed firefighter should be taken down the stairs head first, with the head and neck supported by the rescuer
Term
What percentage of work will the rescuer at the head of the downed firefighter be doing when the two person tea is removing the downed firefighter?
Definition
75%
Term
Which of the following are extra size-up considerations that should be taken by the company officer in charge of a RIT company?
Definition
Monitoring tactical and coman channels for urgent or Mayday messages, know the locations of units and members and their routes of escape, monitor progress of the operations, request a siz-up of the building by radio while still enroute, determining the size of the building as well as its construction, occupancy, and fire location
Term
Which of the following actions should not be taken by an incident commander when it is identified that a firefighter is missing or trapped?
Definition
Abandoning assigned tasks to assists in the search and recovery of the missing members
Term
The following are actions that should be taken when a firefighter is down...
Definition
An ALS ambulance should be called, additional firefighting personnel must be special-called, a protective hoseline, a spare mask, and resuscitator should be brought to the vicinity
Term
You are the Chief of the Department, at a staff meeting discussing an update to the RIT policy. Deputy Chief White says that engine companies should be utilized for the RIT company, since the department has more engine companies to assign to that task.
Definition
Deputy Chief Black
Term
When should an RIT be dispatched to a fire scene?
Definition
Upon receipt of an alarm for a working fire
Term
Which of the following items is not necessary for each member of an RIT company to have with them at all times?
Definition
Spare SCBA cylinder and mask
Term
Which of the following should an RIT company officer attempt to locate upon arrival at a fire scene?
Definition
copy of the command chart, a hoseline that can be committed to RIT use, floor plans fof the building
Term
Which of the following should occur immediately after: a PASS alarm activation, a sudden fire extension, a structural collapse, or the issuance of a withdrawal order?
Definition
Conduct a roll call
Term
Which of the following NFPA standards requires an RIT team during the initial stages of incidents at larger buildings?
Definition
NFPA 1500
Term
According to NFPA standards, what is the minimum number of personnel required for an RIT team?
Definition
2
Term
According to the Author, John Norman, what should the minimum number of personnel be on an RIT team?
Definition
4
Term
You are an aerial ladder chauffeur, and you are placing your ladder to the roof of a 4 story flat roof building. How far out from the building should the ladder be?
Definition
1-2 inches
Term
When conducting roof operations, why should a ladder be placed as square as possible to the fire building?
Definition
if one beam comes in contact with the roof before the other it could cause a ladder failure
Term
When encountering an obstruction around a fire building, what type of aerial apparatus may be the most useful?
Definition
an articulating platform
Term
When spotting aerial ladders or telescoping platforms, what is required between the turntable and the objective?
Definition
A clear line of sight
Term
What is a disadvantage of using an articulating platform over types of aerial apparatus?
Definition
The boom elbow can project over the opposite side of the apparatus and strike obstacles
Term
Which of the following aerial appartus has an articulating boom with a platform and is equipped with a prepiped waterway, and no escape ladder?
Definition
an articulating platform
Term
Which of the following aerial has a telescoping boom with a platform and is equipped with a prepiped waterway, a sideless escape ladder?
Definition
a tower ladder
Term
Which of the following aerial appartus has an aerial ladder with a platform and is equipped with a prepiped waterway?
Definition
a ladder tower
Term
Which of the following aerial apparatus has an aerial ladder with no platform and may or may not be equipped with a prepiped waterway?
Definition
an aerial ladder
Term
You are an aerial ladder chauffeur, and you are placing your ladder to the roof of a 4 story flat roof building. How far above the roof should your ladder be extended?
Definition
At least 5 rungs above the roof line
Term
Because ladders were crapmed for rescuing victims, newer fire service ladders were made wider. Fire service ladders manufactured since 1984 are at least __ wide at their narrowest point.
Definition
16 inches
Term
Because ladders were cramped for rescuing victims, newer fire service ladders were made wider. Fire service ladders manufactuered since 1984 are at least___ wide at their narrowest point.
Definition
16 inches
Term
When training on ladders, what attire should crews wear?
Definition
Full protective clothing including toools and equipment. This provides realistic training
Term
Why do a large proportion of ladder failures occur during training evolutions?
Definition
Unusual activities are undertaken to illustrate lessons, overloading can occur during training evolutions, often older ladders are removed from service and are placed into training status
Term
When raising a ladder, what do you do with the halyard when the ladder is at the appropriate height?
Definition
Tie the halyard to the bed section of the ladder to prevent retraction of the ladder
Term
What should you do before stepping off any ladder?
Definition
Probe the surface with a tool for strength and stability
Term
Which of the following ladder materials is completely insulated against electrical conductivity?
Definition
None of the above because all ladders could conduct electricity espeically if coated with water
Term
How could you tell if any part of an aluminum ladder has been exposed to compromising heat levels?
Definition
The aluminum componenets may be showing a slight bluing color
Term
What is the number of the NFPA standard for Use, Maintenance and Service Testing for Fire Department Ground Ladders?
Definition
NFPA 1932
Term
In the NFPA standard for Use, Maintenance and Service Testing for Fire Department Ground Ladders, the NFPA requires the use of heat incidicating labels on each section of new fiberglass and aluminum ladders. At what temperature will these labels change co
Definition
300 degrees Fahrenheit
Term
In the NFPA standard for Use, Maintenance and Service Testing for Fire Department Ground Ladders, the standard addresses the designe7d load for fire department ladders. What is the designed load for most commonly used fire department ladders?
Definition
750 pounds
Term
You're the member of the RIT teamat a fire in a garden style apartment building. Part of the functions of the team is to ensure a secondary means of egress from the fire area. You are in charge of placing a portable ladder to the second floor window. wh
Definition
Proper placement of the ladder would be having the tips rest at or just below the windowsill
Term
You are assigned to place an egress lader for companies ooperating inside of a building. How should you ensure that the interior firefighters wil be aware that the window you have laddered is the egress window?
Definition
When venting the window, completely clear out thw indow of glass and the sash, ensuring easy egress out the window to the ladder
Term
What is the majority of the fire service ladders today constructed of?
Definition
Aluminum
Term
What is the drawback of using aluminum ladders for fire service use?
Definition
They are more electrically conductive than wooden ladders
Term
When attempting to determine the approximate location as to where the butt of the lader should be placed away from a building, a company officer should take the working height of the ladder and divide it by what number? this will give her the approximate
Definition
4
Term
You are senior firefighter assigned to lead a crew to place a 35 foot ground ladder to a third floor window. The ladder is placed to the objective. How would you know the ladder was palced at the proper climbing angle?
Definition
Stand at the bottom rung and reach out for the rungs at chest height. You should be able to reach the rungs without leaning
Term
You are a ladder company chauffeur assigned with a partner to ventilate the rear third floor windows of a three decker. There is no access for the aerial unit at this location. Which of the following best describes the proper placement of the portable l
Definition
Proper placement of the ladder would be having the tips rest at the level of the top of the window on the upwind side of the window
Term
What is the average height from floor to floor in commercial buildings?
Definition
12 feet
Term
According to Norman, what is the average windowsill height and window height?
Definition
Windowsill 3 feet, window 4 feet
Term
When placing portable ladders on the fireground, what is the proper climbing angle?
Definition
Approximately 70 degrees
Term
What is the minimum length of a ladder needed to reach a second floor window and maintain the proper climbing angle?
Definition
13 feet
Term
In trying to maintain a proper climbing angle, what percentage of a ladder's length is lost?
Definition
6%
Term
How can a volunteer or on call department assign tools and responsibilities for company members?
Definition
Assign them by riding position in the apparatus and prioritize them in how they get filled
Term
Which of the following factors affect the selection and placement of portable ladders?
Definition
reach, weight, nested length, material of construction, number of personnel required to place it in action.
Term
What is the NFPA's requirement, in feet, for ground ladders on an aerial unit?
Definition
168 feet
Term
What is the major advantage of an extension ladder over a straight ladder?
Definition
They have the ability to be adjusted to the required working height
Term
What is the average height from floor to floor in residential buildings?
Definition
9 feet
Term
___are the predominant fire problem nationwide?
Definition
Private homes
Term
What is the primary duty of the interior truck company team?
Definition
To search the immediate fire area for life hazard and the means of egress
Term
What does VES stand for?
Definition
Vent, enter, search
Term
You're a ladder company officer and have been assigned the task of seraching a private dwelling fire at 14:00 hours. Where would your crew most likely find an overcome victim?
Definition
sleeping quarters
Term
Which member of the initial arriving ladder company should be assigned roof ventilation in the early phase of a private dwelling fire?
Definition
It is a lower priority activity than a search and can be performed by the second due ladder company
Term
Which of the following answers contain three basic commonly used tools, necessary at most structure fires?
Definition
Flathead axe, forcible entry bar, and hook or pole
Term
Which of the following factors will most likely be the key factor in ensuring success of an operation plan?
Definition
Make the plan realistic for the known elements
Term
You're a ladder company officer that has 3 members including yourself. One of your members needs to be left outside for exterior ventilation. Which of the following considerations should you make when deciding which members works on the exterior of the
Definition
The member working outside should be teamed with someone in the general area for accountability purposes
Term
What type of company should be locating the seat of fire, if companies arrive simultaneously?
Definition
Truck company
Term
When in the development of an action plan, what is the first factor that needs to be determined?
Definition
The number of personnel that will be part of the plan
Term
What is a good starting discharge pressure in standpipe operations using a fog stream nozzle and a 2 1/2 inch attack line?
Definition
150 psi. plus 5 psi for each story above grade
Term
Is a ladder truck, telescoping platform,tower ladder, or snorkel required for truck company duties?
Definition
No, these duties are typically performed by personnel assigned to aerial devices, but can be carried out by any properly trained firefighter
Term
What are the benefits for a fire department having operational plans?
Definition
It should be put in writing and distributed amongst the members, because all of these are benefits to an operational plan
Term
Which of the elements must be included in an operational plan?
Definition
Number of people to be committed initially to each responsibility area, the general scope of duties, necessary tools and equipment provided to each area
Term
Fires below this level should only be reached by walking up the stair tower, while fires above this level you could consider using the elevator to reach the area. What floor determines this?
Definition
7th floor
Term
As a guideline from Norman, how many pumpers should supply a standpipe?
Definition
One pumper per fire department connection
Term
What is the maximum diameter hose that can be used to supply 2 1/2 inch diameter siamese?
Definition
the largest diameter hose that the department fitting will adapt to fit the siamese
Term
You are a motor pump operator assigned to feeing a standpipe connection. How can you tell if an insufficient amount of water is actually being flowed in the the standpipe?
Definition
Your supply line is beginning to heat up from churning of the pump with little water movement, you don't observe any change in the intake pressure
Term
What is a good starting discharge pressure in standpipe operations using a solid stream nozzle and a 2 1/2 inch attack line?
Definition
100 psi. plus 5 psi for each story above grade
Term
In multiriser buildings, the standpipe systems are laid out so that each point on the floor is no more than a certain distance from the nearest standpipe. Which of the following is described by NFPA?
Definition
Within reach of a 30 foot water stream from the nozzle of a 100 foot hoseline
Term
You are an engine company officer making an interior attack of apartment 6E. your company makes up the standpipe lines as you attempt to locate the source of the fire. When you open the smoke door from the stair tower you are met by thick black smoke, w
Definition
Go to the floor below, since construction features are typically similar floor to floor in multistory buildings
Term
The effect occurs when heat, smoke and possibly fire are drawn towards an open stairway door in a multistory building fire. This can hindr firefighting operations once the fire door is opened. What is this effect called?
Definition
Chimney effect
Term
You are an engine company officer assigned to establish a line for a fire on the ninth floor of a multistory building with a standpipe. How should you and your crew proceed to the fire area?
Definition
ride the elevator to the 7th or 8th floor establish standpipe connects in the most tenable location then proceed to the fire area
Term
What is the maximum pressure that standpipe systems should exert upon un untrained user, while employing a 1 1/2 inch hoseline, before the 1993 NFPA standard revision?
Definition
80 psi
Term
Many Class III standpipes have pressure restricting devices to allow occupants to use hoselines. What is the relationship between static pressure and flow pressure when using one of these devices?
Definition
Static pressure will be higher than flow pressure with a pressure restricting device
Term
Which of the following terms best describes the time it takes to respond to a building fire, proceed to the area of the fire, and set up for operations?
Definition
Reflex time
Term
On which floors of a standpipe equipped, multiple level building, is it usually faster to use deploy preconnected handlines?
Definition
Floors 1 and 2
Term
This class of standpipe is designed for occupants of a building to control a minor fire until the arrival of the fire department. This system is usually designed at maximum flow of 100 gpm. What class of standpipe is this?
Definition
Class II
Term
This class of standpipe is designed to e used mainly by fire department personnel and other personnel trained in handling heavy hose streams. The hose outlets are designed for 2 1/2 inch hoselines and are not typically equipped for occupant use. what cl
Definition
Class I
Term
Thic class of standpipe is designed to allow occupants of a building to use the house hose line for minor fires, but also capable of sufficient pressures and gallonage for fire department personnel to utilize 2 1/2 inch hoselines on arrival. What class o
Definition
Class III
Term
What is the maximum pressure that standpipe systems should exert upon untrained use, while employing a 1 1/2 inch hoseline, after the 1993 NFPA standard revision?
Definition
100 psi
Term
Why are automatic dry standpipe systems not desirable for fire department use/
Definition
There is a need to bleed ou pressurized air out through the nozzle
Term
When a standpipe uses a gravity fed source (water tank on the roof), how many pounds per square inch does the top floor outlet pressure rise when the tank is raised 10 feet?
Definition
4.34 psi
Term
Firefighters are operating with one 2 1/2 inch hose line supplied by a pressurized 5000 gallon tank. How much time do they have before the system must be augmented at the fire department connection by a pumper before the water supply is exhausted
Definition
20 minutes
Term
When operating at a fire using a standpipe, a failure occurs at the exterior fire department connection. The system has a riser control valve which can be closed. Under which of the following options should you choose to continue attacking this fire?
Definition
Close the riser control valve and place a siamese on the 1st floor outlet and resupply the standpipe
Term
Which of the following is a manual wet standpipe system?
Definition
this sytem has a small water supply. It is a wet vertical pipe but the supply is inadequate to provide adequate firefighting streams. This system needs to be augmented at the fire department connection before a hoseline is placed into operation
Term
Which of the following is a semiautomatic dry standpipe system?
Definition
This system has a source water supply under pressure. It is used in areas where freezing may be an issue. It has a deluge style valve connected to manual pull stations at each hose outlet. When the station is activated it trips the alarm and trips the valve
Term
Which of the following is a automatic wet standpipe system?
Definition
this system has a source water supply uder pressure. it is the preferred type of standpipe. It provides water under pressure right up to each hose outlet
Term
Which of the following standpiep systems are described in NFPA 14?
Definition
automatic wet, automatic dry, semi-automatic dry, manual wet, manual dry
Term
Which one of the following catastrophic fires institued a revision in the NFPA's standard that covers Standpipes and Hose Systems?
Definition
The Meridian Plaza Fire
Term
Which of the following diameter hose, and nozzle type was the NFPA standard on Standpipes and Hose Systems designed upon?
Definition
2 1/2 inch, with solid tip
Term
Which of the following is a manual dry standpipe system?
Definition
This is the most basic standpipe system. It is a dry vertical pipe with valved outlets at each floor for hose connections. the only time there is water in the system is when the fire department pumps it in
Term
You are a ladder company officer assigned to shut down a sprinkler system after the extinguishmetn of a fire. YOu and your company have shut down the OS&Y valve. Water continues to come out of the sprinkler system. Which valve should you now open?
Definition
The drain pipe
Term
It is 23:30 hours on Christmas Even and a small fire has activated one head of an automatic wet pipe sprinkler system. The fire extinguished and salvage operations are complete. You are the commanding officer of the incident and your request for a buil
Definition
Eventually, even an incorrect head will activate and apply water to the fire
Term
Which of the following is not an initial water supply source for automatic sprinkler systems?
Definition
Siamese or fire department connection
Term
What NFPA standard covers Standpipes and Hose Systems?
Definition
NFPA 14
Term
As a company officer, what type of sprinkler system control valve will you most commonly encounter?
Definition
outside stem and yoke valve (OS&Y)
Term
You are the company officer arriving on the scene of a fire in a sprinklered building. You see an OS&Y valve for the sprinkler system. How would you know if the valve was in the open position?
Definition
The center screw stem rises and sticks out beyond the valve
Term
You are a firefighter that has been ordered to shut down a sprinkler system after extinguishment of a fire in a sprinklered building. You find a spoke handled wheel valve. When you turn the wheel valve you do not see any movement of a center screw. How
Definition
The indication plate in the window of the valve says "shut".
Term
When an OS&Y valve is in the open position, you see a 6 inch brass stem protruding from the valve. What is the diameter of the pipe that the valve is controlling?
Definition
6 inches
Term
Which of the following best describes a preaction sprinkler system?
Definition
This system consists of an automatic detection coupled to an automatic dry peipe system. This allows the peipes to be filled with water when the detection system is activated. This saves time getting water to the fire.
Term
How does a preaction sprinkler system differ from a deluge system?
Definition
It uses closed sprinklers, so water discharges only over the fire area
Term
You are the first-due engine company officer. You have been dispatched to a multi-story apartment building for a room and contents of fire. What is the most reliable means of determining if the building has a sprinkler system?
Definition
Pre-fire inspection
Term
You're the officer in charge of a response for a sprinkler system activation at 03:00 hours. On arrival you notice a small puddle of water dripping from a pipe near the water motor gong which is not longer sounding. To gain access, you must force entry
Definition
to prevent property damage from the accidental discharge of water, to detect a fire in the case that the water motor gong has been tampered with, and the drain has been clogged with debris, an arsonist may have started the fire and shut down the O, S, and Y vale afer realizing the system activated.
Term
Which of the following best describes a deluge sprinkler system?
Definition
A system consisting of a piping system connected to a water source with sprinkler heads that are merely nozzles. When the detection system is activated water is dispersed out of all the heads in the area
Term
In which of the following occupancies would you not expect to find a deluge sprinkler system?
Definition
A large in-patient hospital
Term
What must fire companies be prepared to do, when responding to buildings protected by a deluge system?
Definition
Augment the system with large volumes of water
Term
What must fire companies be prepared to do, when responding to buildings protected by a deluge system?
Definition
Augment the system with large volumes of water
Term
You are a company officer given the assignmen of shutting down a deluge sprinkler system after a extinguishment of the fire in an occupancy. How should this operation be conducted?
Definition
Turn the control valves off slowly to prevent a water hammer
Term
In a dry-pipe system alarm valve, there is a lock to keep th eclapper open when the air pressure is reduced, due to activation of the system. How many sprinkler heads must be activated or flowing for the clapper to be locked open, and an alarm to be sent
Definition
1
Term
What is the most common reason for a false alarm in a dry-pipe sprinkler system?
Definition
Loss of air pressure
Term
This type of system consists of piping with small holes drilled into the pipe with no distinct sprinkler heads. The system has a siamese fire department connect for water source but no other water supply is available. What is this system called?
Definition
Perforated pipe system
Term
What is the terminology used to describe sprinklers systems that require the fire department to supply a fire department connect in order for water to be flowed through the system (no other source of water is made available to the system)?
Definition
Nonautomatic systems
Term
For most alarm valves in dry-pipe systems, how many pounds per square inch are required to hold back 100 psi of water on the supply side of the clapper?
Definition
30-40 psi
Term
Which type of system has a larger top surface on the clapper in the alarm valve?
Definition
Automatic dry system
Term
Who can reset a dry pipe sprinkler system once the alarm valve has been activated?
Definition
Qualified sprinkler contractor
Term
What is the condition called, when small amounts of water keep building up on the top of the clapper valve in dry-pipe sprinkler system due to water surges? This will eventually prevent the claper from opening, even though all of the air in the system ha
Definition
Water columning
Term
What causes false alarms with an alarm valve in an automatic wet pipe sprinkler system?
Definition
A large pressure fluctuation occurs on the water supply side of the system, overcoming the pressure on top of the clapper, and allows for a temporary water flow
Term
Where is the main drain valve normally located on an automatic wet pipe sprinkler system?
Definition
Just above the clapper in the alarm valve
Term
Which of the following best describes an automatic dry-pipe sprinkler system?
Definition
This system is usually found in unheated areas, where freezing poses a threat to water filled sprinkler pipes. It requires a pressurized air source to hold the water back into a heated area until a sprinkler head is activated.
Term
Which type of sprinkler system has a locking clapper valve that must be manually reset?
Definition
Automatic dry system
Term
In large buildings with limited openings, or many small rooms, what might be the only efficient way of removing cold smoke produced during a sprinkler system's extinguishment of a fire?
Definition
Using the building's heating, ventilation, and air conditioning system
Term
Which of the following sprinkler systems is the most common and simplest sprinkler system?
Definition
automatic wet system
Term
Which of the following best describes an automatic wet pipe sprinkler system?
Definition
this system is comprised of a pipe system connected to a srouce of supply that has water in its piping at all times, right up to each sprinkler head
Term
What is the primary function of the alarm valve in an automatic wet pipe sprinkler system?
Definition
To act as a check valve, preventing water from flowing back out of the sprinkler piping, but allowing water into the system to flow through activated heads
Term
Which of the following are reasons why firefighters should maintain the use of SCBA when operating at a fire in an occupancy where the sprinkler system is still operating?
Definition
Sprinklers will produce cold smoke, causing smoke to bank down to the floor with carbon monoxide and fire gases
Term
Which of the following would best describe the danger of a sprinkler system activation occurring after firefighters have entered the area of the fire and begin their attack?
Definition
The delayed activation of the system could push steam and hot water on to companies operating in the area of the fire
Term
What causes the unusual circumstance of sprinkler activation being delayed until after the fire department arrives and has begun interior operations?
Definition
Buildings that are only partially sprinklered and the fire began in an unsprinklered area
Term
Which of the following statements is tru regarding sprinkler heads in skylight openings?
Definition
The flow of the sprinkler heads forces the heat and smoke back down, negating the value of opening these natural vent locations
Term
If supplying a sprinklers system with a 2 1/2 inch supply line what is the maximum number of sprinkler heads that could be supplied if they were delivering the reduced flow of 20 gpm?
Definition
Approximately 25 heads
Term
Which is the most preferred engine company to supply the fire department connection of a sprinkler system at a working fire?
Definition
An engine with large diameter hose tha tis not supplying other hoselines
Term
You are a company officer assigned to an engine company that has been given the sole fireground function of establishing a water supply and feeding the fire department connection for the sprinkler system. You have a new motor pump operator that asks you,
Definition
150 psi
Term
How many pounds per square inch should newly installed sprinkler system piping be hydrostatically tested to?
Definition
200 psi
Term
If fire companies were to connect to the same water main that was operating a sprinkler system, and drop the water pressure in the sprinkler system to 10 psi, how many gallons per minute would a normal sprinkler head be flowing?
Definition
17gpm
Term
A sprinkler system should be augmented by lines at the siamese or the fire department connection (FDC). When this is accomplished, a standard sprinkler head flowing 100 psi will deliver how many gallons per minute?
Definition
55-60 gpm
Term
What is the minimum number of hoselines and the diameter size of those hoselines that should be supplied to the fire department connection of a sprinkler system?
Definition
two- 2 1/2 inch hose lines
Term
Identify which of the following reasons why a sprinkler system should continue to be operated until the fire has been extinguished? 1. It aids in smoke removal from the structure. 2. The system could be holding the fire in check along with handlines. 3.
Definition
2 and 4
Term
Of the following means of fire protection, which is the most effective for life and property preservation?
Definition
Properly designed and installed automatic sprinklers
Term
In cases of reported sprinkler system failures to control a fire, which of the following factors is most likely the cause?
Definition
Human error, including that of the fire department
Term
Which of the following is a valid reason for shutting down a sprinklers system during fire department operations?
Definition
In rare instances, when an explosino demolishes a system or when a rapidly expanding fire overtakes an insufficient sprinkler system
Term
Approximately how many gallons per minute will a normal sprinkler head flow at 50 psi?
Definition
40 gpm
Term
To put sprinkler effectiveness into perspective, sprinkler heads flow at 40 gpm at 50 psi. This would be the equivalent to the following fire control operation?
Definition
One firefighter stationed every ten feet with a booster line ready to operate
Term
Which of the following is true regarding LDH (large diameter hose)?
Definition
LDH is best suited to deliver volume
Term
Which of the following is an advantage of a telescoping platform over an aerial ladder when using an elevated master stream?
Definition
They have a greater range of motion for the aerial master stream
Term
Which of the following should be taken into consideration when applying water with an elevated master stream?
Definition
The basic purpose of a roof is to keep water out, water does not reach the source fuels of the fire, heat flames and smoke will driven back under the roof
Term
According to NFPA statistics, in more than 100,000 operations, sprinklers were able to control or extinguish the fire __ percentage of the time?
Definition
95%
Term
According to NFPA statistics, in more than 90 percent of the 100,000 reported sprinkler activations due to fire conditions, how many heads were activated?
Definition
1 or 2 heads
Term
Which of the following is not a true statement, when an in-line pumping lay is used?
Definition
Maximum flows are available for firefighting operations
Term
How many pounds per square inch do Class A pumpers discharge at their maximum flow?
Definition
150 psi
Term
Centrifugal pumps spin water off its impellers, imparting its energy to the water flow. Which of the following can the impellers do? 1. Give a little bit of water a strong push. 2. Give a lot of water a strong push. 3. Give a little bit of water little
Definition
1 and 4
Term
How much does the fire load of a building increase with a large amount of plastics over the same building containing only ordinary combustibles?
Definition
It doubles (200% total)
Term
You and your company are trapped by fire. you find a window with a ground ladder at the sill. When the window is broken for forcible escape fire is rolling out the top of the window. Which of the following best describes the method of descent tha tsho
Definition
Members should exit the window on to the ladder head first, they should remain in this position the entire descent to expedite the process so other company members may exit
Term
When on a supplied water source, not drafting, what is the minimum amoutn of residual prssure a motor pump operator should ensure her pump is receiving on the compound gauge?
Definition
Positive 10 psi on the compound gauge
Term
When there is not enough water entering a pump to supply the demand, this can cause serious damage or failure of the pump. What is this condition called?
Definition
Cavitation
Term
Firefighter Jones says that the personal bail out rope techniques should not be attempted with out a class 2 personal harness. Firefighter Russell says that while a class 2 personal harness may be perferred, firefighters can use an emergency body wrap to
Definition
Firefighters Russell is correct.
Term
When the motor pump operator identifies a dangerous drop in residual pressure which of the following actions should he take to correct this? 1. Increase pump speed (rpms) 2. Increase water supply (possibly another source) 3. Use a larger diameter attack
Definition
2 and 4
Term
What type of occupancy fire is in-line pumping or hydrant to fire lay preferred over reverse hose lay (fire to hydrant)?
Definition
Private dwellings
Term
Which of the following terms best describes, a small sheet of paper listing the names of each on duty memeber and their assigned duty?
Definition
Riding list.
Term
Which of the following factors affect the ability to move and supply water?
1. The capacity of the water supply 2. The number of personnel on scene. 3. The capacity of the hose. 4. The capacity of the pump.
Definition
1, 3, and 4
Term
Once it is discovered that a firefighter is missing, which of the following pieces of equipment is most important to help in the location of the missing firefighter?
Definition
Portable radio.
Term
Which of the following factors regarding water supply could not be known by fire department members, from the firefighter to the chief, before an incident starts?
Definition
The actual state of the water supply
Term
Why is it important for firefightesr, company officers, chief officers to have a working knowledge of their response district's water supply system?
Definition
To understand the available volume capacity of the system and mains that the source pumps are connected
Term
which of the following SCBA maneuvers should be considered when fighting fires in: holds of ships, tunnels, subcellars, and windowless buildings?
Definition
Changing cylinders in smoke-filled atmosphere.
Term
For firefighting purposes, what does static pressure indicate to the company officer?
Definition
Static pressure is no indicator of the volume of water available from a hydrant
Term
When low flow pressures are encountered, where should pumpers be located?
Definition
they should be at the hyndrant with the exception of the initial arriving company
Term
On what scale is the vacuum side of a compound gauge measured on fire apparatus?
Definition
Inches of mercury
Term
Which physical fact of water, allows us to test multiple sections of fire hose connected together at the same time?
Definition
the pressure on a confined fluid is transmitted equally throughout that fluid
Term
At low flows, water moves smoothly through hose with almost no turbulence. What is this called?
Definition
Laminar flow
Term
Turbulence with a hose line and related appliances causes pressures to be reduced at the discharge. What is this loss of pressure called?
Definition
Friction loss
Term
Which of the following steps should you take, if you find yourself cut off from escape by fire?
Definition
Begin seeking another esacpe route or area of refuge.
Find an area of refuge even if its is only temporary.
Call for help via radio, PASS device, and or voice alone.
Begin seeking another esacpe route or area of refuge.
Term
If a company officer were looking to deliver water further away from his pump, how could he do so utilizing the same amount of energy?
Definition
Increase the diameter of the hose utilized
Term
How many pounds per square inch does water exert for every 1 foot it rises?
Definition
0.434 psi
Term
Which of the following should e considered the last ditch effort for contacting help when trapped in a building fire?
Definition
Throwing your helmet out of a window.
Term
Water pressure increases 1 psi for every __ of depth
Definition
2.3 feet
Term
One atmosphere is the weight of the air column above us at sea level. What is the average weight in pounds per square inch of one atmosphere?
Definition
14.7 psi
Term
Which of the following is most common method of forcible escape?
Definition
Breaking a window.
Term
The weight of the air above us is equivalent to the pressure exerted by __ of water.
Definition
33.9 feet
Term
When drafting, a priming group removes the air from the pump therefore taking the atmospheric pressure away inside of the pump and thus allowing water to flowinto th epump. Understanding this principle, which of the following heights would establish the m
Definition
If the pump was 34 feet above the surface of the water supply.
Term
Which of the following is not one of Norman's three rules of survival?
Definition
Always ensure that your SCBA bottle is full prior to use.
Term
What happens to water when it is pressurized?
Definition
Nothing, water is a fluid that cannot be compressed by applying pressure
Term
Approximately how many gallons are in one cubic foot of water?
Definition
7.5 gallons
Term
One physical fact of water is that fluid pressure is perpendicular to the surface it acts upon. If one were to place a pressure gauge and take a measurement at teh floor of a tank and also place a prssure gauge in the very bottom corner of the tank on th
Definition
These pressures should read essentially the same pressure
Term
The pressure in a confined body of water at rest reamins the same at all points. Whe this no flow condition occurs in water supply systems, it is referred to as?
Definition
static pressure
Term
Which of the following emergency procedures should be taught to a firegither after they are trained in the use of an SCBA?
Definition
Reduced-profile manuever.
Emergency escape manuever.
Mask sharing.
Term
Which of the following statements best describes the reason for ensuring an opening in a remot location from where high expansion foam is being applied?
Definition
A remote opening allows for the products of combustion to ventilate out areas that are being filled with high-ex.
Term
Your'e searching the interior of a building during a structural firefighting operation. you find yourself tangled in wires. Which of the following would be the best procedure to try first to disentangle you?
Definition
Back up and get down lower and proceed
Term
Why is a bent tip applicator useful in combating a gasoline tank truck fire?
Definition
The applicator is able to develop a stream with enough aeration to apply aqueous film-forming foam.
Term
What agent will continue to be the primary extinguishing agent for structural fires?
Definition
Water
Term
According to Norman, firefighters need a better understanding of which of the following in order to extinguish fires?

1. Hydraulics 2. Water Supply 3. Friction Loss
Definition
Water supply only, because it is the amount of water that is applied toa fire is what extinguishes the fire
Term
Which of the following emergency SCBA manuever allows the wearer to squeeze through a 14-inch space between two wall studs to escape to another room?
Definition
Reduced-profile manuever.
Term
Which of the following is safety concern when operating a cellar pipe at a basement fire incident?
Definition
The company may be working directly above the area involved by fire, when cutting the holes to place the appliance, fire could emanate from them, strutural members of the floor could be weakened by the fire
Term
What is the effective reach of a Baker pipe?
Definition
50 feet or more
Term
What is the effective radius reach of a Bresnan distributor?
Definition
15-20 feet
Term
How does high expansion foam extinguish a fire?
Definition
It pushes out the products of combustion and repalces them with a water solution, which will cool th source of the fire
Term
Which of the following is not a favorable factor of successfully utilizing high expansion foam?
Definition
High-ex is a last resort and should be utilized after withdrawing companies from the building
Term
Which of the following is not a favorable property of low-pressure fog nozzles?
Definition
They have maximum reach and penetration
Term
Firefighter Tom says that fires in cellars and attics pose very diffrent challenges to firefighters, Firefighter Marty says that fires in cellars and attic pose similar difficulties such as linited access, escape, and ventilation. Firefighter ben says tha
Definition
Firefighters Marty and Ben.
Term
Which of the following nozzles would be described as: A nozzle that uses a spring to regulate the size of the discharge opening?
Definition
Automatic nozzles/Constant-pressure nozzles
Term
You are a nozzle firefighter and suspect that there is decreased flow in your handline. You have the officer call the motor pump operator to confirm that she supplyin genough pressure at the pump. Of the following choices, what is most likely the problem
Definition
A kink or kinks in the line
Term
What type of nozzle should be considered when attempting to extinguish a basement fire and interior handlines have become ineffective?
Definition
Cellar nozzle
Term
As a general guideline, the most effective discharge opening diameter of a nozzle should not exceed what fraction of the diameter of the hose?
Definition
One half of the diameter of the hose
Term
Assistant Chief Green wants to write an SOP that all firefighter will enter the fire building through the same point on entry for accountablity purposes. Battalion Chief Brown disagrees and states there may be reasons for safty and speed that firegithers
Definition
Battlion Chief Brown.
Term
Where would it be dangerous to use straight or solid streams?
Definition
On a high-voltage electrical equipment fire
Term
What is the most versatile style nozzle?
Definition
the variable-pattern, peripheral fog nozzle
Term
What happens to most firefighters before geting trapped?
Definition
They become lost or disoriented.
Term
Which of the following is not an advantage of using a solid stream tip?
Definition
They are more suited for combating flammable liquid spill fires
Term
In older versions of the constant-gallonage nozzle, the nozzle firefighter could rotate the outer stream-shaper barrel to pen or close the center baffle. This created a major change in the rated flow of the nozzle. What is the percent change in the rate
Definition
33%
Term
While understanding where and how to enter a building is importand to the Firefighters Survival Survey, which of the following question is more impotrant than gaining access to the building?
Definition
How do we get out when things go wrong?
Term
What is the most severe threat to a brick or masonry constructed building which is in close proximity ofa structure fire and thus has an exposure problem?
Definition
the size of window openings and their proximity to the fire building
Term
What is asphalt siding commonly known as?
Definition
Gasoline siding
Term
Which of the following is not a resaon why firefighters deaths continue to occur?
Definition
Increase in the number of structure fires.
Term
What is the order of structural firefighting priorities?
Definition
Rescue, confine, extinguish
Term
In consideration of exposure protection, which of the following is not immediately thought of as a means of exposure to protect against?
Definition
radiant heat
Term
Which of the following is not a primary function of a nozzle?
Definition
to decrease the velocity of the water flowing through the hose
Term
Which of the following is not one of th three steps that can be taken to help reduce that rates of firefighters injury and mortality?
Definition
Rely upon upgraded state-of-the-art protective eqiupment.
Term
You are an engine company officer assigned to stretch an attack line to the 8th floow of an apartment building with no standpipe in the building. Which of the following tactics would not be preferable means of placing the hoseline, if it could be execute
Definition
Use the prepiped water way of the aerial unit on the scen
Term
What is the highest priority for hoseline positioning?
Definition
being able to place the hoseline between the fire and the victimes
Term
Firefighter Jim says that more ppeople die in store fires ever year than in car fires. Firefighter Andy disagrees and says that more people die in car fires than die in store fire every year. you are their company officer and need to determine who is most
Definition
Firefighter Andy.
Term
You are the company officer of a first due engine company. On arrival you are confronted with a light smoke condition issuing from the stair well leading to floors below you. Your company streates a dry hoseline. When should you request that the line b
Definition
Before descending the stairs with the hoseline
Term
What is the greatest protection from radiant heat exposure to neighboring buildings during a structure fire?
Definition
distance
Term
Of the six qeustions in the Firefighter Survival Survey, what is the first question that firefighters should make apart of their owm size-up?
Definition
What is the occupancy?
Term
Why must doors be chocked, especially when advancing dry hoselines?
Definition
When charged, the hoseline may act as a wedge under the door, effectively locking the door behind the firefighters
Term
Where does the greatest fire-related loss of civilian life occur each year?
Definition
Fires in one and two family dwellings.
Term
When engine company crews are stretching hoselines up flights of stairs, with a narrow space between the flights of stairs or between the flight of stairs and a landing, how much hose should they estimate per flight?
Definition
One length per flight, running the hose along the banister to keep the hose length reasonably short
Term
What hose tool should be used when stretching hose vertically through an open stairwell? This device is used to prevent the hose from pulling out the coupling and prevent the hoseline from being pulled back down by the weight of the water.
Definition
hose strap
Term
what is decibel level of full alarm activated PASS device?
Definition
95-100 decibels.
Term
When encountering buildings with open stairwells, how many floors can a company officer reasonably expect to go with one length of hose up the middle of the stairwell when estimating the amount of hose needed?
Definition
Five floors
Term
What is the biggest problem with the use of PASS devices of the fire ground?
Definition
Firefighters do not arm the device when wroking inside the structure.
Term
You are the first due engine company officer to arrive at a warehouse fire. You estimate the building to be 200 feet wide by 150 feet deep. Your engine has been spotted 50 feet from the entrance where you and your company will enter the building. How mu
Definition
400 feet
Term
How much hose should be stretched for a medium size commercial building measuring, 250 feet wide by 250 feet deep, and the pumper is 100 feet from the building?
Definition
600 feet
Term
What is the approximate range of feedback effort, when employing feedback assisted rescue, using two prtable radios?
Definition
One mile.
Term
What is one of the undesirable outcomes of overstretching hose?
Definition
Unnecessarily high engine pressure, increases the chances of kinks in the hose when flaked out in confined areas, clutter around the fire area
Term
As a company officer, if you estimated correctly, how much hose should you have when you arrive at the fire area?
Definition
The nozzle team should arrive at the fire area with one or two lengths to spare
Term
How does a thermal imaging camera produce an image on the screen?
Definition
It reads temperature diffrentials and produces a picture on the display.
Term
Which o the following is not an advantage of a larger diameter attack line over a smaller diameter attack line?
Definition
they are more maneuverable through compartmented areas
Term
What are the draw backs to helmet mouted thermal imaging units?
Definition
they are heavy on the firefighter's neck.
They can be difficult to operate if the firefighter has diffrent visual ablities in his eyes.
Expenses.
They can give the firefighter using the unti a false sense of sercurity.
Sanitary arise when the untie is used by multiple personnel.
Term
What type of equipment should the rescue team be equipped with?
Definition
spares SCBAs.
Strokes litter.
Rescue rope and hardware.
Term
When making a change in direction with a team search rope, the rope should be secured to a sizeable object. Why?
Definition
So the team exit and reentry is on the same path avioding hazards already indentified through the search.
Term
What is FAR?
Definition
Feedback-Assisted Rescue.
Term
How is feed back assisted rescue used to locate an unconsious firefighter?
Definition
Have all units switch to a dirffrent operating frequency and hold two radios several inches from each other and listen for the feedback from the missing firefighter( This only works if they have a radio and it is on).
Term
Which of the following factors should the engine company officer use to determine the length of hose that is required to be stretched to the fire area?
Definition
The building's heigh, area, and setback from the street
Term
What is the control person's primary responsiblity?
Definition
To keep accoutablity of how many firefighters enter and their air working time.
Term
Which of the following is a reason or are reasons why overly long preconnected hoselines should be avoided?
Definition
Friction loss reduces flows available at the nozzle, engine pressures must be maintained at dangerously
Term
The following are rules of thumb for maximum lengths of preconnected hoselines. Which rule of thumb listed here is incorrect? (lengths indicate 50 feet)
Definition
Six lengths of 1 and 1/2 inch diameter hose at 145 GPM
Term
Which of the following is not an advantage of a larger diameter attack line over a smaller diameter attack line?
Definition
They are more maneuverable through compartmented areas
Term
What is the submergence time that should be assigned to firefighters conducting a team search utilizing long duration SCBA cylinder( one hour bottles)?
Definition
MAximum wroking time of twenty mintues, with twenty minute of exit time.
Term
Which of the following factors should the engine company officer use to determine the length of hose that is required to be stretched to the fire area?
Definition
The building's heigh, area, and setback from the street
Term
How many firefighter should be assigned to search inside an area when a team search method is deployed?
Definition
A minimum of two memeber and maximum of four members.
Term
Which of the followingis a reason or are reasons why overly long preconnected hoselines should be avoided?
Definition
friction loss reduces flows available at the nozzle, engine pressures must be maintained at dangerously
Term
How many members should remain outside as the rescue team at minimum?
Definition
2
Term
The following are rules of thumb for maximum lengths of preconnected hoselines. Which rule of thumb listed here is incorrect? (lengths incidate 50 feet)
Definition
Six lengths of 1 and 1/2 inch diameter hose at 145 GPM
Term
Which of the following types of buildings should a guide rope search be deployed?
Definition
Schools.
Hospitals.
Large area office building.
Term
When conducting a guide rope search, is it necessary for each member to attach to the rope?
Definition
No, one member should maintain contact while other members maintain contact with him.
Term
Since residential fires are so deadly, why would a fire officer choose a smaller diameter attack line in a single family house fire? (1 1/2"-1 3/4")
Definition
With lower fire loads, larger volumes of water are not as critical, speed and maneuverability through a variety of obstacles and partitions that are commonly found in residences, a minimum number of firefighters are required to deploy smaller diameter lines
Term
What is the minimum number of trained personnel required to contact a team search?
Definition
6
Term
Which of the following types of occupancies mimic residential occupancies, with increased compartmentalization and lighter fire loads?
Definition
school class rooms and hospital patient care areas
Term
Where is the control person located?
Definition
Outside where the rope is secured to a substantial object.
Term
When faced with any sizable body of fire in an industrial or commercial property, what size hoseline should be deployed?
Definition
2 and 1/2 inch diameter
Term
What strategy can a company officer employ when he finds that his crew must go deeper inside the buildilng than the reach of their 2 1/2 " diameter hose?
Definition
Quickly apply a remote master stream.
Term
How might the control person communicate with the search team in structure with poor radio reception?
Definition
By using a series of prearranged tugs on the rope.
Term
Why do firefighters often times stretch inappropriate handlines?
Definition
They state; "That's what we always stretch".
Term
Of the listed factors, which two factors will determine whether the hoseline selected will successfully extinguish the fire?
Definition
Reach of stream, Volume of the stream
Term
When extinguishing Class A fires, what must the water do in order to be effective?
Definition
Cool the fuel to a point where it stops giving of flammable vapors
Term
Which of the following should not be factor when producing specifications fo new pumping apparatus?
Definition
For ease of training recruit firefighters, all new trucks should have similar hose loads and compartmentation regardless of the district they serve
Term
If available, who shuold conduct the sencondary search?
Definition
a diffrent unit thaat has not searched the area previously, with a freh perspective.
Term
More than seventy five percent of all fire deaths occur in this type of occupancy?
Definition
Residential
Term
If an elevated platform unit s giving the proper positioning at the scene of a fire, how many fieet of frontage can its scrub area cover?
Definition
100 feet
Term
Unless a specific problem is noted or the area is below grade, how many floor below a fire is it safe to not conduct to a froceible entry into locked areas?
Definition
2 floors
Term
What three interrelated factors affect putting water on to fires?
Definition
Proper size and length of hose, quick and efficient hose movement, ensuring that the hose is stretched to the proper position
Term
which of the following type of companies is most responsible for placing the appropriate size hoseline, with most efficient use of personnel, in the least amount of time?
Definition
The engine company
Term
why should firefighter wear SCBAs when conducting a secondary search in below grades areas, especially in the presence smoldering fire?
Definition
Carbon monoxide could settle into below grade area, making the atmosphere oxygen depleted.
Term
What is the gernal flow range of interior attack handlines?
Definition
12-350 gpm
Term
What four size-up factors affect the decision for the siE and length of hoseline?
Definition
Occupancy, construction, height and area, location and extend of fire
Term
If larger flows are desired due to a stalled attack, what size should the second hose line be and where should it go?
Definition
At least the same diameter as the first hose line, if not larger. It should be stretched to the same position as the first one
Term
If an effective offensive attack has not succeeded within __ minutes, prepare for defensive positions.
Definition
20 minutes
Term
What is good rules of thumb for the number of personnel assigned to a search team?
Definition
2 firefighters per apartment in the area to be searched.
2 firefighters for each mordearate size section open floor area such as store or an office.
Term
In an average apartment or house fire with a 1 3/4 inch diameter hose line and coordinated ventilation you should expect to see the fire darken down in ten minutes. If this is not happened, the incident commander should be expecting?
Definition
Full involvement of the structure and potential collapse
Term
What types of structure might the historical 20 minutes before anticipating collapse be too long to operate in before the real potential of collapse?
Definition
Truss construction
Term
When the human life is at stake, a __ attack is mandatory.
Definition
Offensive
Term
You are assigned to lead a search of a large floor area in medium smoke conditon. there is little danger of the fire overrunning you at this time. Which of the following pieces of equipment would protect your crew from becoming disoriented, if used proper
Definition
A guide rope.
Term
You are the company officer on an engine dispatched to a third floor apartment fire in a garden style apartment building. Your company consists fo 5 members including yourself. On arrival fire is showing from a middle unit on the third floor. It wil r
Definition
The team with exceptino of the motor pump operator should deploy the first line into position and ensure it is operating before performing other tasks
Term
According to Norman, "Being stationary is as-"
Definition
Bad as going backwards
Term
With modern day equipment what are the only two things that shouldprevent forward advancement of a hoseline?
Definition
Heat and flame
Term
Firefighting Janes says ventilation of windows should be done when searching as long as it will not cause the fire to light up. Lieutenant Jill says firefighter should leave window glass intact and let the outside went team take care of the ventilation jo
Definition
firefighter Jane
Term
What mode of operations is usually dictated by a massive body of fire that is beyond the control of responding units?
Definition
Defensive attack operations
Term
How is exposure protection best accomplished?
Definition
By applying water directly to the surface of the exposure so tha theat is absorbed through conduction and the exposure is protected from direct-flame impingement
Term
Why should firefighter not retreat to bathrooms if an alternative is avialable?
Definition
The windows is usually too small for escape.
Term
What methods of fire spread are most often responsible for igniting exposures?
Definition
radiation and direct-flame exposure
Term
What phase of fire control opertation is secondary search normally combined with?
Definition
Overhaul.
Term
It is midnight, you company is the first due company, of a first alarm assignment, dispatched to a warhouse fire on Depot Street. On arrival you find well involved fire on a warehouse which is owned by the Ace pesticides company. The warehouse is a well
Definition
No attack, being concerned about the toxic run off and dangers of partially combusted chemcials after extinguishment
Term
To reduce the danger of backdraft, a coordinated attack should be used. At what stage of the attack should the nozzle team apply water to a structure?
Definition
The nozzle team should only apply water after topside ventilation has been performed.
Term
Which of the following areas should be included in secondary search?
Definition
The perimeter of the building.
Roof top or set backs to which someone could have jumped.
Areas beneath windows.
Shrubbery around the building.
All interior portion of the building.
Term
A __ is a roof structre built above an existing leaking roof.
Definition
Rain roof
Term
In the following situations, which would indirect attack be indicated?
Definition
A high heat fire in a ship's hold, A fire in a rail box car
Term
Which of the following is not one of the strategy options to fight a fire?
Definition
Exterior defensive attack with interior offensive attack acting simultaneously
Term
What mode of attack can be used for third stage or smoldering phase fires?
Definition
Indirect attack
Term
Who pioneered the use of indirect attack?
Definition
Lloyd Layman of the United States Coast Guard
Term
Which of the following manuevers should be employed by firefighters if they should become entangled in wires or other obstructions?
Definition
Ouick release or emergency escape manuever.
Term
Which of the following would not be considered a prerequisite condition to exist in order to use the indirect attack on a fire?
Definition
the presence of viable victims
Term
According to the Norman text, one gallon of water expands to __ gallons, when coverted to steam?
Definition
1,500-2,000 gallons
Term
What is the best way to conduct a primary search?
Definition
Try to start the search as close to the fire area as safty possible and work back to the entry door.
Term
During a freeburning stage fire, firefighters are usually subjected to temperatures in a range from __ dgrees F to __ degrees F at the floor while ceiling temperatures may range from ___ degress F to ___ degrees F.
Definition
125-150;1,200-1,500
Term
What is the definition of a smoldering stage fire?
Definition
The stage in which th efire is no longer burning freely. There has been a serious fire within the premises that has used up most the available oxygen, and the fire is now limited in size
Term
how sohuld the primary search above the fire be conducted?
Definition
Search as soon as you ener the floor area and pogress in toward the fire.
Term
During a smoldering phase fire, the fire can gain an overabundance of heat, reaching over 1000 degrees F. The building can fill to capacity with flammable gases and yet the fire can remain non visible from the exterior. What dangerous condition exists?
Definition
Backdraft
Term
What type of building methods makes backdrafts more common?
Definition
modern airtight, energy conservation minded methods
Term
Which of the following areas should be focused upon during primary searches of residential structures?
Definition
Stairways.
Near windows and doors.
Bedrooms.
Term
What is the preferred method of attack on a freeburning stage fire?
Definition
Combination attack using a straight stream applied across the ceiling and then swept into the body of th efire in a side to side, or clockwise circular motion
Term
In a combustion attack during the free-burning stage of a fire, striking the ceiling with the hose stream accomplishes the following except-
Definition
It directly attacks the seat of the fire allowing for quick extinguishment
Term
How should a firefighter mark location of rooms tha they have already searched?
Definition
By using issued latched straps
Term
During the freeburing stage of a fire, the __ can cause a rollover effect. Thhis can cause the fire to be pushed along the ceiling and then come down, behind, and on top of the nozzle team, which would endanger the team.
Definition
Direct attack
Term
What errors are fairly common with the combination attack?
Definition
the attack is made by using a wide fog pattern directly on the seat of the fire
Term
In most homes and partments, how much is sufficient to cover the fire area?
Definition
50 feet
Term
Which of the following tools should search team memeber have with them?
Definition
Pike pole or hook.
Forcible entry tools.
Portable light.
Portable radio.
Term
Your company arrives at a three story ordinary construction building, with smoke issuing from the third floor. What would be a safe area to advance the dry hoseline dry before charging it?
Definition
the stairway hall or landing
Term
What is the average width of the side profile of firefighter wearing an SCBA?
Definition
18 to 20 inches.
Term
Your company arrives at a 2 1/2 story wood fram construction residence with smoke showing from the basement, first floor windows and the chimney. Where is the fire most likely to be, and where can the nozzle team advnce their dry handline to?
Definition
Basement-top of the enclosed cellar stairway
Term
What is the common distance between studs on center in partition wall?
Definition
16 inches on center.
Term
When is it appropriate for the officer accompanying the nozzle team to lok around the fire room for possible victims, the locations of the fire, and layout of the fire room?
Definition
While waiting for water, look in the clear area under the smoke using the glow of the fire to assist you
Term
What is the preferred method of attack on an incipient stage fire?
Definition
Direct method using either a straight stream or a very narrow fog pattern aimed directly into the burning materials
Term
When confronted with a situation to tight space, you must do one of the following procedures. Tihs procedure is described as removing your right arm frim the SCBA harness by fully extending the ight shoulder strap, while keeping your face piece in place:
Definition
Reduced profile manuver.
Term
What is the definition of a free-burning stage fire?
Definition
The stage in which the fire has significantly increased in intensity, the rooms are at or near flashover. The fire is receving enough oxygen to sustain combustion
Term
Which of the following best describe a qucik search for lives vitcims before the fire is broguht under control: searching in areas where vitcims will mist likly be found?
Definition
Primary search.
Term
Before attacking the fire the nozzle team must locate the occupant. The team will account for them and obtain vital information from them. What type of information can be obtained from the occupants?
Definition
What is actually burning, the best method of accessing the fire area, the possibility of missing people
Term
In multistory building, (especially:apartment houses, hotels, hospitals and some offices). What is the quickest way for the company officer to determine the floor plan of the fire floor on teh fire ground?
Definition
Go to the floor below the fire and quickly examine the layout of the floor and room numbering
Term
Which of the following best describe a searcg that is performed after the fire is under control? this search is extremely thorough, ensuring that there is no pssiblility of a fire vitcim remaining in the structure. The essence of speed is diminish in this
Definition
Secondary search
Term
According to Norman, what is considered the primary function of the engine company?
Definition
The primary function of the engine company is to get sufficient water on the fire area to extinguish the fire
Term
When should a primary search be conducted?
Definition
Immedaitely upon entry, possibly in conjunction with the advancement of the hoseline.
Term
In addition to direct fire extinguishment, what is another acceptable use of hose streams by firefighters?
Definition
Exposure protection, absorbing toxic fumes, ventilate products of combustion
Term
Who should be assigned to priamry search team?
Definition
Experience members that are mentally and physically capable of the job.
Term
Fire progresses through stages. In order, what are the three stages of fire progression?
Definition
The incipient stage, the freeburning stage, and the smoldering stage
Term
What is the definition of an incipient stage fire?
Definition
The stage in which the fire is still small with light heat and smoke conditions, and the fire confied closely to its area of origin
Term
All of the following are condtino encountered when operating in cold weather, except-
Definition
Many people come out into the streets to watch
Term
Captain Bill says thermonpane windows keep more heat insdie of the fire building. Captain tony says it is easy to break thermopane windows with a hose line. Captain brain says it is very diffucult to remove the sash of a thermopane window. You are the Bat
Definition
Captian Brain and Captain Bill.
Term
At 13:30 hours your station is dispatched to a working fire at #123 Side Street, cross streets are Main street to a dead end. Responding from your station is an engine company, a ladder company, an amubulance, and shift commander in a command vehicle. O
Definition
the ladder company should proceed in since they may be able to position close enough to reach over the trench
Term
The presence of these types of hazardous materials may halt firefighting operations all together when identified.
Definition
Poisons and explosives
Term
Captain Bill says thermonpane windows keep more heat insdie of the fire building. Captain tony says it is easy to break thermopane windows with a hose line. Captain brain says it is very diffucult to remove the sash of a thermopane window. You are the Bat
Definition
Captian Brain and Captain Bill.
Term
What have the use of breathing appartus, protective clothing, and improvements in ventilation techniques done for the fire service?
Definition
These items have greatly improved firefighters' abilities to get inside a structure and extinguish a fire before it destroys the structure and kills the remaining occupants
Term
When cold smoke is present why should fire fighters continue utilizing SCBAs?
Definition
Presence of high amounts of carbon monoxide
Term
What is possibly the greatest danger to fire fighters operating on the roof during ventilation operation?
Definition
Thier fellow firefighter, particularly the saw operator
Term
Utilizing the text's exposure identifications system, if the building in the rear of the structure of origin, were to ocatch on fire, how would you identify that structure to command?
Definition
Exposure 3 has caught on fire
Term
When residual flows from a municipal water supply system are not sufficient for the anticipated hazard, all of the following should be considered alternate water sources except?
Definition
Dead end hydrant further down the street
Term
According to tests conducted by the NFPA and Factory Mutual, a flow of 10 gallons per minute for each 100 square feet of fire area is sufficient to control fires in -
Definition
Light fire loads
Term
When operating a saw on a roof, for the safty of your fellow firefighters, a spinning blade or chain should never be more than__inches above the roof deck?
Definition
6
Term
According to tests conducted by the NFPA and Factory Mutual, a flow of 30-50 gallons per minute for each 100 square feet of fore area is sufficient to control fires in-
Definition
high fire loads
Term
Your company arrives on scene at a reported building fire. You observe heavy, dirty smoke coming from a chimney and all floors are pushing heavy smoke with no visible fire. Where do you think this fire might be located?
Definition
In the cellar or basement
Term
What might a roof ventilation team expect to encounter when they are performing operations at high value occupany, like a jewelry store in hight crime neighborhood?
Definition
Steel plating added to the roof or ceiling above the occupancy.
Term
What types of smoke conditions would be an indication of an oil burner malfunction?
Definition
Light to moderate amounts of black smoke found in the basement
Term
What color smoke usually indicates insufficient oxygen for combusino and therefore is a sign of a potential backdraft?
Definition
Gray- yellow smoke
Term
Fire involvement of roofing materials usually gives off what color smoke?
Definition
Black smoke
Term
What would be considered a sufficent distance from the ventilation hole to make a trench cut?
Definition
20 to 25 feet
Term
Upon arrival at a reported fire, you see wispy light colored smoke. What stage of fire involvement should this indicate?
Definition
Incipient stage
Term
When arriving at the front side of a structure, height aids in size-up, by letting the firefighters know all of the following, except?
Definition
What level they would be operating at when they reach the rear of the building
Term
When conducting a trench cut operation, observation holes should be made. What is the purpose of these holes?
Definition
to know if the fire has passed the loctaion of the trench cut and when to pull the section of the cut open.
Term
A fire company that is familiar with its district would be knowledgeable of many size-up factors prior to their arrival at a fire. What size-up factor cannot be determined until companies arrive on the scene?
Definition
The location and extent of fire
Term
In a situation where building wraps around another, what is the preferred method of determining the area of the building?
Definition
Party walls visible from the roof
Term
What are the dimensions of a trench cut?
Definition
There should be two parallel cuts from one outer walll of the building to the oppostie outer wall of the building 3 feet apart
Term
Why are fires below grade more complex than those above?
Definition
Entry must be made in stairways that also act as chimneys for the products of combustion
Term
Why might arriving firefighters get reports of smoke in remote locations of a building?
Definition
HVAC systems and objects moving in shafts may force smoke in ways it does not normally go
Term
Which of the following best describes the use of hose streams in conjunction with a trench cut?
Definition
Hose streams can be used from the roof if inerior companies have been removed.
Term
Class IV: Heavy Timver buildings present extremely heavy fire loads, but they are still excellent in terms of fire resistance. Which of the following factors does not aid these buildings in fire resistance?
Definition
Changes in the primary use of these structures, which divides the large open areas that were once needed for manufacturing equipment
Term
When should an interior firefighter break a window for ventilation instead of opening it?
Definition
When she cannot stand-up to open the window and the hose line is charged.
Term
In order for a building of masonry construction to be considered Class IV: Heavy Timber, the interior columngs, beams, and girders must be a minimum size of -
Definition
8"x8"
Term
Which team has the best chance to prevent firefighters exposure to a collapse of metal roof?
Definition
the hose team, if they used a solid nozzle and sweep the ceilingarea as they advance, cooling the roof.
Term
This type of construction is how the majority of brick buildings are made. It consists of masonry walls of a two-hour fire resistance rating and its floors, roofs, and interior partitions are constructed of wood (not heavy timber). What class of constru
Definition
Class III: Ordinary Construction
Term
Which of the following reduces the frying pan effect that casues metal roof deck fires?
Definition
have interior hose team sweep teh ceiling to cool the metal deck.
Term
This type of construction poses less of a collapse hazard than the noncombustible class does, but it is more prone to extension than a noncombustible construction. Its walls, floors, roofs, and interior partitions are constructed of wood or some other co
Definition
Class V: Wood Frame
Term
Which of the following terms best describe the type of hold in teh roof, fire fighters make from wall to wall in order to stop the advance of fire into another portion of the building?
Definition
Trench cut.
Term
Which of the following does not in itself produce a sever life hazard?
Definition
Mere presence of a large numbe of occupants
Term
What is the area of an "H" type building that is narrow connecting section between two larger areas called?
Definition
the throat.
Term
According to Norman's 4 implications of building construction, which of the following is the most important to firefighters?
Definition
The ability of the building to resist collapse when threatened by fire
Term
You are the company officer assigned to oversee a trench vut opertaion. In order to prevent the spread of fire into an adjacent wing of the building, which the building, which of the following should be done first, assuming you have a team with two saws?
Definition
Cut examination holes to locate the fire in the cockloft.
Term
Of the five classes of building construction, identified in the NFPA's Handbook of Fire Protection, which of the following is the least stable in terms of collapse when exposed to fire?
Definition
Class II: Noncombustible
Term
Some codes refer to this class of building construction as fireproof, Class I; Fire Resistive, even though they are called fireproof, fires do occur in these structures. What conditions place the occupants and firefighters at risk during fire conditions
Definition
Products of combustion from interior finishings and furnishings
Term
what major risk of vertical ventilation operation above a flat parallel chord truss roof?
Definition
the saw oepration may cut throguh the top chord of the truss precipitating a collapse.
Term
Which statement most accurate regarding a truss roof's ability to resist collapse during a fire situation?
Definition
Under ten minutes before collapse without warning.
Term
while not a ture truss, the plywood i beam is another from of lightweight consturction. HOw thick is the web plywood portion of the beam commonly used?
Definition
3/8 inch.
Term
What are the sighs of impending collapse with plywood I beams?
Definition
the danger of falling into teh ventilation hole while cutting it.
Term
Approximating how deep do guest plates penetrate the wood memeber of a truss?
Definition
1/4 inch.
Term
Which of the following roof construction types should be considered the most deadly per incident?
Definition
Browstring truss roof.
Term
Which of the following size-up considerations combine to endanger victims?
Definition
Time of day, Occupancy, Location and Extent of fire
Term
How should the presence of brownstring truss roof be identified?
Definition
By oberving the classic hump shape upon seeing serveal sides of building on arrival.
Term
You are the officer in charge of a ladder company. At 2:00 A.M. your company is dispatched, as a party of the initial alarm assignment, to a working fire at a mixed occupancy dwelling. Where would you expect to find the majority of the occupants of the
Definition
Sleeping Quarters
Term
Which of the following occupancies have high life hazards around the clock?
Definition
Hospitals and Apartment Buildings
Term
Which of the following types of occupancies contain large amounts of materials that produce a heavy fire load?
Definition
Factories, warehouses, and retail stores
Term
Which of the following occupancies would you not expect to find hazardous materials?
Definition
Bakery
Term
Browstring truss roofs have beem know to collapse supporting exterior walls when they fail. What should the distance of the collapse zone from building be?
Definition
The collapse zone should be twice the hieght of the supporting wall.
Term
When Should size-up begin?
Definition
From the moment the alarm is received.
Term
Who performs size-up at an alarm?
Definition
All firefighters responding to the alarm
Term
If a building of ordinary construction or standard wood frame construction (not light weight) has been exposed to heavy fire conditions for more than __, it has a high hazard potential for collapse
Definition
20 min.
Term
In fire condition what is the biggest drawback a lgihtwieght truss?
Definition
They lack mass to resist fire.
Term
What is the best method of reducing life hazard long before a fire incident?
Definition
Install a complete wet-pipe automatic sprinkler system
Term
All of the following are considered life hazards except -
Definition
Lack of Automatic Detection Systems
Term
What is the most likely portion of a standerd roof construction to fail first during fire condition?
Definition
Roof Sheathing.
Term
Lieutenant Smith says that vacant buildings should be treated with caution and defensive operations should be under taken. Lieutenant Flanagan says when there are savable lives at stake; firefighters must take extraordinary risks to save thos lives. You
Definition
Both are correct
Term
What isthe maximum length that can be spanned using a standard wood beam?
Definition
About 25 feet
Term
Arrange the following actions, to be taken at structure fires in order.
Definition
Locate, confine, extinguish
Term
Which of the following is Norman's last rule of firefighting?
Definition
Let circumstances dictate procedures
Term
There are __ possible directions for fire to spread
Definition
six
Term
Recruit Jenson says that a person in a room filled with fire is not savable. Veteran Firefighter Jameson disagrees and says that the person is a viable save. You are their Lieutenant and need to mediate this tailboard disagreement. Who is correct?
Definition
Recruit Jenson
Term
Which one of the following statement about trussed is not true?
Definition
Thier structual member contain more mass than standard construction.
Term
Which of the following make up the element of truss?
Definition
Web memeber.
Top chord.
bottom chord.
Term
When discussing the rescue and removal of occupants, firefighters must know which occupants of a building are in greatest danger. Arrange from greatest danger to least danger.
Definition
Persons in the immediate vicinity of the fire, persons on the flor above the fire, directly above the fire, persons on the top floor, persons on the fire floor remote from the location of the fire, persons two floors below the fire
Term
What geometrical shape gives a truss its integrity?
Definition
triangle
Term
When should someone that is emotionally agitated and threatening to jump be rescued, even if they are not in any apparent danger?
Definition
Immediately
Term
When sufficient personnel are available to carry out coordinated fire attack, which of the following actions will reduce or eliminate life hazards?
Definition
complete extinguishment of the fire, venting to draw fire away from victims, confinement of the fire, removing all victims
Term
In the absence of being able to conduct a preplan of the building, how could the ventilation team determine if they are on an inverted roof?
Definition
When they cut an examination hole, they observe nail 2 x 4 construction on top of lower larger supporting josits.
Term
Which of the following is one the most basic principles of a firefighter's responsibilities?
Definition
Protect life and property
Term
Which of the following is themost basic principle of firefighting?
Definition
Human life takes precedence over all other concerns
Term
Which of the following best describes a roof constructed above an esisting roof that is so porous that it is no longer weather proof?
Definition
Rain roof
Term
Several Captains are discussing insufficient staffing at a fire scene. Captain Taylor says, if sufficient personnel are not available, to effect both rescue and extinguish at the same time, extinguishment must be given priority. Captain Jones says, that
Definition
Captain Jones
Term
Victims are likely to suffer brain damage after __ minutes without oxygen.
Definition
four minutes
Term
According to Norman's Concept #2, when you do not have sufficient personnel to perform all of the needed tasks, first perform those that-
Definition
Protect the greatest number of human lives
Term
Firefighter Ellen says rain roofs were not apart of the enigineered load of the roof when the buildig was constructed. This may overload the roof and lead to a collapse. Firefighter John says the presence of two cocklofts may give the incident commander
Definition
Both are correct
Term
What is most dangerous type of roof for firegither to operate on or below at fire scene?
Definition
A truss roof
Term
how many linear feet of cutting are required to make an eight foot by eight foot ventilation hole?
Definition
approximately 55 feet
Term
you are a company officer in charge of a ventilation operation of a large area flat roof. You have an eight foot by eight foot ventilation hole in place that is as close to the fire located as possible. You are advised by the interior operating sector mor
Definition
Expanded the intial ventilation hole to provide the necessary increase ventilation.
Term
Which of the following best describes the use of a hoseline to asist in ventilation procedure?
Definition
The use of hoseline in any ventillation opening should be strictly forbidden.
Term
Why were many flat rooofs constructed between the 1920's and 1960s built using an inverted roof technique?
Definition
it was easier to build a ptich into the roof for proper dranage using this techniques
Term
You are goin to conduct roof vent operation on an inverted roof. When you step on the roof: you notice that it has a springy feel to it. What does that mean?
Definition
This is normal and should not be taken as signs of impending failure.
Term
After determining the location of the ventilation hold, which of the following should the company officer in charge of roof opertaion consider before actually cutting the hole?
Definition
Ensure the cut hole is not between firefighter and thier means of escape.
Ensure tehre has been a second means of egress secured.
MAke sure all firefigher in thw area are aware of teh saw operations
Term
you are conducting roof ventilation on a large area flat roof on a windy day. Which of the following is not a concern when factoring wind into ventilation location decisions?
Definition
Ensure that the wind will not require you to make a larger than mecessary ventilation hole
Term
when sounding a roof to locate a joist. What should happen when you strike the blunt end of a tool against the roof sureface?
Definition
It will strike solidly with little or no bounce
Term
When making an eight foot by eight foot ventilation hole on a large area flat roof, which of the follwoing describe the preferred method of making this opening, if only one saw is avaible?
Definition
The ventilation hole should be quartered
(4'x4') and the first section should be opend and the other left until teh entire hole is complete.
Term
how should firefightwer reach the roof when assigned to vent a large area flat roof?
Definition
Ladder.
Platform.
Term
when performing ventilation on a large area flat roof, which of the following task should be perfromed first?
Definition
Vent the top floor indow and any vertical shafts found
Term
what would be considered a textbook size, vertical ventilation hole, in a large area flat roof?
Definition
Eight feet by eight feet
Term
You are a member of a ventilation team trying to determine the location of a fire in a cockloft. Which of the following examination cuts offers the better visbility during daylight hours?
Definition
Triangle cut
Term
which of the following terms best describe this definition? An examination hole made by pluging a saw through teh roof and then pulling it out
Definition
Kerf cut
Term
Which of the following terms best describes, a roof constructed with teh roof boards nailed to a framework of 2 x 4's raised several feet above the main roof joists?
Definition
Inverted roof
Term
What is the standard spacing of roof joists in an old style flat roof construction?
Definition
16 inches on center
Term
What is the avergae life span of roof coverings over standard flat roof that is comprised of several layers of tar pater, mopped with hot tar to seal it?
Definition
20 to 30 years
Term
This is concealed void space created between teh ceiling and roof borads, usually placed for aesthetics, and an insulator between teh winter's cold and heat of the summer. What is this space usually called?
Definition
Cockloft
Term
You are a ladder company officer assigned to vent a top floop fire of a large area flat roof building. Which of the following should be consideration before deploying the ventilation team?
Definition
If you are experienced in flat roof ventilation, you should go with the ventilation team.
Then team should be equpped with two power saws, two 6'-8' hooks, a halligan tool, portable radio and an axe.
teh team should be made up of at least four firefighers.
Term
What is the advantage of the quick cut ventilation hole over teh standard cut ventilation hole?
Definition
it spans only one josit, allowing it to hinge on the joist when pushed down on one side
Term
How many square feet of ventilation does the quick cut allow for?
Definition
10 square feelt
Term
What is the advantage of the basket cut ventilation hole over the standerd cut ventilation hole?
Definition
it allows for the firefighter performing the ventilation to never have to set foot on the roof.
Term
Accroding to Norman, what is the first rule of roof ventilation?
Definition
Ensure the stabilty of the area before enetering
Term
Which of the following terms best describe aroof constructed with main roof joist loacted right at the roof level and roof boards nailed directly to teh joists?
Definition
Standard flat roof
Term
Which of the following is best located on a peak roof ventilation?
Definition
Downwind side of the peak as close to the peak as possible, directly over tehre fire
Term
Which of teh following are good indications of hot spots on a roof when sizing it up?
Definition
bubbling tar.
Steam on a rainy night.
Fire showing from an opening
Term
What are the approximate sizes of sides of standard roof ventilation hole?
Definition
4' x 4'
Term
What are the approximate size of the sides of a quick cut roof ventilation hole?
Definition
2 1/2' x 4'
Term
What are the approximate sizes of the side of a basket cut roof ventilation hole?
Definition
3 sided, 5'x 6'x 1 1/2
Term
What types of roofing materials present sharp heavy debris that endangers firefighters below when the materail is being removed for vetilation?
Definition
Slate shingles.
Tile.
Term
you are the senior ventilation team member assigned to vent a peaked roof. According to SOP you can only use a power saw on a low pitch roof, unless working from the basket of an areail apparatus. At this particular fire you cannot get the arial unit clos
Definition
Roofs With a pitch 15 to 20 degrees.
Term
What type of an axe should be broguht to the roof for ventilation purpose?
Definition
Pickhead axe.
Term
When conducting roof operations,the team should check soil for heat. IF they are hot to the touch, what does that indicate?
Definition
there is porbably going to be a fire in attic or cockloft
Term
What is the commom minimum size of dimensional lumber used to construct roof joists?
Definition
2 inch by 4 inch
Term
which of the following common peaked roof sheathing materials is the most difficult to open during teh ventilation process.
Definition
5/8 inch thickness plywood sheets
Term
which of the following shingle materials poses the greatest danger to fire spread?
Definition
Wood shingles
Term
when ventilating a skylight over a staircase, how should the interior firefighters be alerted that this is going to occur?
Definition
yellout, and then break a samll pane of gass and wait several moments. the falling glass will signal members in the stairway to protect thenselvees.
Term
WHen assigned to the roof ventilation team, you find a staircase that leads to a roof bulkhead. Why should u open this door?
Definition
To search for occupants that may have fled to teh roof.
to gain acess to teh roof for saw operations.
Term
What is is a dumbwaiter?
Definition
A hand operated mini-eleveator
Term
What is most common vertical artery in a multistory structure?
Definition
Staircase
Term
What is the second most common vertical artery in a multistory structure?
Definition
Pipe chase
Term
which of the following situation: should positive pressure ventilation be considered?
Definition
To remove flammable vapors.
Fires partially extinguished by sprinkler systems.
Fires in stuffed furniture or mattress.
Term
You are the first Battlion Chief at a fire in a multistory dwelling. Which of the following factors must you include in your decision to employ positive pressure ventilation?
Definition
Life hazard.
Location and extended of fire.
Availability of hoselines
Debris that might be drawn into the fan.
Degree of confinement.
Type of fan and available power supply.
Term
Which of the following best describes, the conditon cuased when heated gases are restrained from rising and spread out horizontally inside of a strucure?
Definition
Mushroom effect
Term
Which of te following best describes the ventaltion process of sucking smoke from a building and exhausting it to the outside atmosphere?
Definition
Negative pressure ventailation
Term
Positive pressure ventilation was originally introduced as a mean to ruduce which of the following?
Definition
Stack effect
Term
When placing fans outside a structure, about how far away from the door should thefans be to get almost complete coverage over the doorway?
Definition
Eight to twelve feet
Term
A fan, used correctly for positive pressure, could move______volume of smoke, than it could in a negative pressure operation.
Definition
100% more(twice)
Term
When using positive pressure ventilation, which of the following statements best describes how and where windows should be opened, for its most effective use?
Definition
Keep all windows closed except for the room to be cleared of smoke GO room by room
Term
Whats is the general range in degrees of the fog pattern used for hydraulic ventilation?
Definition
30 degrees
Term
In order to be able to set a favorable fog pattern to cover a door or window and cause a venturi effect when performing a hydraulic ventilation, how far from the opening should u be?
Definition
you should be six to eight feet from the opening.
Term
What is the major disavantage of mechanical ventilation?
Definition
There is always a danger of fanning life back into a smoldering fire.
Term
Which of the following is not a factor, when considering not to deploy hydrraulic ventilation?
Definition
The hoseline is already in place at the site where ventilation is needed
Term
When attempting to use negative pressure ventilation, some fresh air from outside the building will mis with teh smoke around the fan and be blown back out, there by reducing the effiency of the fan. waht is this phenomena called?
Definition
Churning effect
Term
Which of the following types of fires would be greatly aided by vertical ventilation?
Definition
Fires in cocklofts, attics and the top floors of building.
Term
This type of ventilation occurs based upon the action of heated gases, which allows for smoke to vetilate throguh opened doors and windows. Which of the following best describe this type of ventilation?
Definition
narutal ventilation
Term
you are the ladder company officer. In which of the following condition would you consider the use of mechanical ventilation?
Definition
A low heat fire in a basement with no windows.
Smoldering mattress fire in remote bedroom of an apratment.
a sprinkler system knocked down a dire creating large volumes of smoke.
Term
All ofthe following are forms of mechanical ventilation except for-
Definition
the used oh rotary saw to cut a ventilation hole in the roof.
Term
Your ventilation team is delayed in getting to the appropriate ventilation location. What could happen as a result of delayed ventilation?
Definition
Intrior firefighter could be subject to unneccesary punsihment from the heat
Term
if energy efficient windows are encountered, the ventilation team should undertake windows ventilation as soon as possible to prevent which of the following?
Definition
Interior firefighter being subject to a backdraft
Term
Which of the following factor is not usually included in the descision of whether to ventilate horizontally or vertically?
Definition
Realtive humidity
Term
Which of the following is not ture of vertical ventilation?
Definition
It is far cheaper to replaced roofing materials than it is to replace glass
Term
When confronted with a peaked roof in private dwelling fire, what would be the easiest way to perform ventilation?
Definition
Break glass in the gable end or dormer windows.
Term
_______, is described as ventilation that is delayed until a hoseline is in place and ready to operate.
Definition
Vent for fire
Term
What is the most efficient combination of manual forcible entry tools?
Definition
Flathead axe with a halligan tool
Term
How many different means does a halligan tool have of getting a bite on the work?
Definition
4
Term
When venting for fire, which of the following best describe where ventilation should ideally occur?
Definition
On the opposite side of the building from teh fire, so the fire can push out the window.
Term
Which of the following combinations of tools are referred to as a "set of irons"?
Definition
Flat-head axe with a halligan tool
Term
You are assigned to a forcible entry team. You are confronted with a single lock inward opening door. Where should you and your partner first place the fork end of the halligan tool in order to make entry?
Definition
Six inches above or below the locking mechanism
Term
You are assigned a forcible entry team. You are confronted with a multiple lock inward opening door. Where should you and your partner first place the fork end of the halligan tool in order to make entry?
Definition
Midway between the two locks
Term
Which of the following terms best describe the definition? Ventilation that is perfromed on the opposite side of the building from the fire, away from the hoseline, so the fire can be pushed out the window speeding the advance of the hoseline.
Definition
horizontal ventilation
Term
With the presence of bolt heads coming through a door, it often indicates which of the following locking devices?
Definition
Drop-in bars
Term
When horizontal ventilation is used to vent for life, it must be couple with what?
Definition
Immedaite entry for an ALS ambulance
Term
Before forcing a door, a firefighter should check the door for heat in order to detect if fire is directly behind the door. How should this be done?
Definition
Using the bare back of a wrist and touching it on the door knob
Term
Most lock cylinders are ___ inches or less from the door jamb
Definition
3
Term
What does the location of a lock cylinder more than 3 inches from the door jamb indicate?
Definition
The occupant has made serious attempts at security
Term
If a member of your ventilation team breaks glasss too ealry what could happen?
Definition
the fire could extend unnecessarily
Term
Which method of forcible entry relies upon manually applying brute-force either to bend or snap part of the door or lock assembly?
Definition
Conventional
Term
Which of the following factors should be included in forcible entry size-up?
Definition
how many locks and their location, location of fire, presence and location of victims, construction of door and frame, time of day
Term
What door is usually used if forcible entry is required?
Definition
The front door, since that is usually how occupants enter and exit the building
Term
You and your team are operating in a smoke charged hallway seraching a fifth floor of an apartment building and find a door that opens outward. What should you expect to find behind this door?
Definition
An elevator shaft or janitor's closet
Term
Which of the follwing terms best describe this definition? the process of removing toxic products of combustion and replaceing them with fresh air.
Definition
Ventilation
Term
When sizing-up a doorway for forcible entry, what should indicate to you that the door opens outward to your location?
Definition
Presence of hinges that are visible
Term
Which of the following factors are the two that firefighter primarily vent for?
Definition
Vent for fire.
Vent for life.
Term
Which of the following most accurately describes time of day considerations for mercantile businesses during forcible entry size-up?
Definition
Closed businesses present greater forcible entry challenges due to security systems that are employed during the hours when the business is closed
Term
What is the percentage of residential doors that open inward?
Definition
99%
Term
Which of following terms best describesventilation, when performed as soon as life hazard is recongnized, and done in a manner to draw the fire away from life hazard?
Definition
Vent for life
Term
Firefighter Bob and Sue are discussing forcible entry techniques. Firefighter Bob says most commercial establishments and places of assemblies have doors that open in. Firefighter Sue says that most commercial establishment and places of assemblies have
Definition
Firefighter Sue
Term
When does forcible entry size-up begin?
Definition
When the alarm is received
Term
What is rule number one of forcible entry?
Definition
Try before you pry
Term
When wold it be necessary to cut a serurity gate?
Definition
Ventilation is immediately necessary.
heavy fire is present.
the manual overide to eletrical control is located insdie the structure.
Term
What is rule number three of forcible entry?
Definition
If possible, use the door the occupants normally use
Term
What is rule number two of forcible entry?
Definition
Don't ignore the obvious
Term
What is rule number four of forcible entry?
Definition
Maintain the integrity of the door
Term
Why is maintaining integrity of the door important during forcible entry operations?
Definition
So the door can be shut to reduce oxygen supply to the fire andprevent spread if necessary
Term
Which of the following are reason why the inverted V is limited to usefulness?
Definition
Opening too small for emergency escape.
ventilation is limited.
Samll opening makes advancing a line difficult.
a locked door maybe present behind the opening.
presence of wind tabs
Term
Your company has just extinguished and overhauled a seventh floor apartment fire. firefighter Stacey says there is minimal water in a hose line and no need to worry about causing further water damage. Firefighter Beth says breaking the couplings in a si
Definition
Firefighter Beth
Term
Which of the following describes how many members should be assigned to control utilities during fire ground operations?
Definition
Two members equipped with a portable radio should be assigned this task
Term
If removing the lock, and forible entry is not pratical, which of the following is prefferred method for cutting an opening in a roll up security gate intended for firefighters to enter and egress from?
Definition
the three cut method
Term
In what decade did Americans become more security conscious?
Definition
1950s
Term
Which of the following factors need to be considered when deciding the best means of forcible entry to use?
Definition
type of lock and assembly, tools available, personnel available, degree of damage that the method employed will cause, need for speed
Term
What is the most effective method of opening a tin ceiling during overhaul?
Definition
Begin at a seam between the sheets or other openings and then pull back along the length of each street.
Term
your rescue compnay commonly has to cut throguh thick steel items such as large I beams, train rail and steel plates thicker thank 1/2 of an inch. The captian has just purchased an exothermic torch for the rescue. Whatt tempertaure does the exothermic tor
Definition
5000 degrees Fahrenhiet
Term
Captain Jones says all buildings should be overhauled after the fire is extinguished. Battalion Chief Jacobs says some buildings are compromised so severely, that it would pose an undue risk to allow firefighters to overhaul the structure. Which officer
Definition
Battalion Chief Jacobs
Term
Which of the following best describes appropriate use of hydraulic overhaul?
Definition
Use hydraulic overhaul where fire has charred abutting structural members and removal is impractical
Term
When does salvage begin?
Definition
The moment of arrival
Term
What is the best method to employ cutting a high serity padlock at below shoulder hieght?
Definition
Rotary saw with an aluminimum oxide blade
Term
You are seraching for a fire in a partition wall between two apartments. In the caller's apartment the wall is covered by new kitchen cabinets. In the neighboring apartment there is a bare wall in a hallway. Where should you start the search by openi
Definition
In the neighboring apartment, since the wall will be easier to repair.
Term
When using a rotary saw to cut metal, which of the following describes the best throttle postion for entering into metal to be cut?
Definition
Idle positive. Saw will need to be started.
Term
Which statement best describes the need for SCBA use during a postcontrol overhaul?
Definition
SCBAs are necessary during overhaul due to the presence of toxic gases and the possibility of a rekindle
Term
In what stage of a fire is the most carbon monoxide produced?
Definition
overhauling stage
Term
Which of the following means will be unsuccessful against an American 2000 paddle lock?
Definition
A 36 inch set bolt cutters.
Term
What types of furnishings should be removed to the outside of the building for overhauling?
Definition
Stuffed couches and mattresses
Term
Why is second rotary saw necessary at the fire scene on the first arrinving unti?
Definition
to perform roof ventilation prior to or concurrent with a forcible entry.
Term
In what manner should a mattress on the second floor be removed to the outdoors for overhaul?
Definition
hand carried downstairs, firefighters wearing SCBAs and PPE, Mattress doused with water thoroughly, rolled to reduce surface area, passed out a window
Term
What is the best position for a firefighter to be standing when the begins to pull a ceiling?
Definition
In the doorway of the room, in case the entire ceiling falls
Term
Which of the following describe a low security padlock?
Definition
they have a small bow and theyy are not case hardened
Term
At what temperature does human skin begin to develop burns?
Definition
120F
Term
At what temperature do common combustibles begin to ignite?
Definition
400F
Term
What is the minimum length of bolt vutter necessary to attempt cutting case hardened padlock?
Definition
36 inches
Term
Which of the following best describes the "15 second - 2 minute rule"?
Definition
A firefighter will palce an ungloved hand on a surface for fifteen seconds, if there is no warm discomfort he will move it. Two minutes later that same firefighter will check the area again. If the area feels the same or has gotten warmer it needs to open up.
Term
Which of the following is the least used sense in overhaul?
Definition
Smell
Term
Which of the folowing tools should not be relied upon to open a case hardened padlock?
Definition
a 24 inch set of bolts cutters
Term
Which of the following senses are utilized in overhaul after the fire is extinguished?
Definition
sight, hearing, touch, smell
Term
Which of the following are signs of hidden fire to look for during overhaul?
Definition
blistered paint, smoke, color of an object
Term
Which of the following are the fastest means of foricing mulitple padlocks?
Definition
Oxyacetylene torches.
MAPP gas torches.
Rotary saw with an aliuminum oxide blade
Term
What color ash, from normal Class A combustibles, is still hot enough on the surface to reignite?
Definition
Grey, white
Term
What color does ash from normal Class A combustibles turn to, when doused with water?
Definition
black
Term
Which of the following utilities offer a greater hidden pathway for fire spread?
Definition
Plumbing piping
Term
Which of the following are types of security gates?
Definition
Machnaical
Manual
Eletric
Term
In what type or types of void spaces does fire spread more rapidly?
Definition
Vertical voids
Term
Which of the following is most common security gate?
Definition
Manual and Machanical
Term
Which of the following best describes the common location for horizontal void spaces?
Definition
Lightweight construction and energy conservation measures can place horizontal voids at any level of a building
Term
In wood frame buildings, what type of construction technique allows for easy veritcal fire spread from the basement to the attic?
Definition
balloon framing
Term
Which of the terms describes the phase of overhaul that is conducted after the fire is extinguished?
Definition
Postcontrol overhaul
Term
you are a forcible entry team member tasked with forcing entry into a store from with multiple manual security gaes. Which of the following factors will you use to determine how to open the security gates?
Definition
the type and location of locking device
Term
Lieutenant Dan says purpose of overhaul is to preent rekindling of fire after the fire department has left the scene. Firefighter Bob says the purpose of overhaul is to prevent unnecessary water damage to the property. Who is correct?
Definition
Lieutenant Dan
Term
Your Captain tells you, rekindles are often more serious than the orginal fire. Which of the following factors make the statement true?
Definition
Each of the above factors combined to affect the seriousness of a rekindle
Term
which of the following describes a high security padlock?
Definition
they have a large bow and they are case hardened
Term
what is the diameter of a large bow in inches?
Definition
3/8 of an inch or more
Term
Which of the following terms describes the phase of overhaul that is being conducted while the fire is still being aggressively attacked? You might be pulling ceilings to find a hidden void space fire.
Definition
Precontrol overhaul
Term
It is essential to examine and overhaul above __, if they were heavily involved in fire.
Definition
Kitchens and bathrooms
Term
With exception of vault doors, which of the following door and lock mechanisms presents the most difficult forcible entry situation?
Definition
Muti-lock door
Term
Why must a safe distance from power lines be maintained during aerial operations?
Definition
High voltages can are considerable distances across open air
Term
When is it appropriate to retract an aerial ladder, ladder tower, or tower ladder when a firefighter is climbing on it?
Definition
Never, if firefighters are climbing on rungs of the unit
Term
Which of the following would bethe preferred forcible entry method for a door with a multi-lock?
Definition
Find key or breech a hold in thewall next door.
Term
If firefighters are in the rungs of a aerial device and need to be moved to safety, what should the operator at the turntable do?
Definition
rotate the turntable of the ladder, raise the ladder, lower the ladder
Term
What is the fire service terminology for the actions taken to expose hidden fire and ensure extinguishment?
Definition
Overhaul
Term
You are the chauffeur for a rear aerial ladder. You are ordered to spot the apparatus for the best access to ventilate numerous windows on side "A" of the building. Which of the following best describes the spotting position for the unit?
Definition
Back the unit into the area so the unit is perpendicular to the building, this will give you better reach
Term
In absence of any diretion of where to spot an aerial unit on arrival, where should you spot the truck?
Definition
Just past the corner of the building that you approached first
Term
When sizing-up a door with a multi-lock, how can the forcible entry team establish whether or not multi-lock is engaged?
Definition
Slip an knife blade under the door and feel for presence of the steel rod extending troughthe jamb.
Term
You are the chauffeur for an aerial ladder. You are ordered to spot the apparatus for the best access over the fire area. Which of the following best describes proper position for the unit?
Definition
Spot the truck upwind of the fire so that heat, smoke and flame will be carried away from anyone operating above.
Term
When is a good time of day and day of the week to survey your district for the presence of security gates?
Definition
Sunday morning, when its is light and most businesses are closed.
Term
How many feet apart should an aerial device be from overhead powerlines?
Definition
10 feet
Term
How far is teh spread of the jaws of a hydraulic foricble entry tool(HFT)?
Definition
5 inches
Term
You are the chauffeur for an aerial ladder. You arrive on scene to find a victim hanging out a 5th floor window. Which of the following best describes the spotting position for the unit?
Definition
As close to the building as possible, with the turntable in line with the window. Place the tip of the aerial just below the windowsill
Term
How much does a hydraulic forcible entry tool(HFT) wieght in pounds?
Definition
25 pounds
Term
The amount of surface area that can be physically contacted by an aerial device is called?
Definition
Scrub area
Term
How can window ventilation be preformed by one firefighter using an aerial ladder?
Definition
By oeprating the aerial from the turntable, placing the tip through the upper pane of glass and then lowering the ladder through the sash
Term
Which of the following would be the prefferd method of forcible entry in limited visibility situations?
Definition
hydraulic forcible entry tool
Term
You're the chauffeur for amidship mounted aerial ladder. You are ordered to spot the apparatus for the best scrub area on side "A" of the building. Which of the following best describes the spotting positino for the unit?
Definition
Spot the unit with a 15-20 degree angle away from the building, so the cab does not interfere with aerial operations
Term
In which of the following instances should the use of the hydraulic forcible entry not be employed?
Definition
When damage is concern.
Speed is not a concern
Term
You are the chauffeur of a tower ladder. When operating the unit from the platform, where should you place the basket when a roof has no parapet wall?
Definition
Place the basket over the building, so that it is just resting on the roof
Term
Which of the following types of doors does the hydrualic forcible entry tool not work well upon?
Definition
hollow core wooded doors
Term
You are the chauffeur of a tower ladder. When operating the unit from the platform, where should you place the basket when a roof as a parapet wall of moderate height (3 to 6 feet)?
Definition
Place the basket so that the top rail is just slightly above the parapet
Term
wut clock position should you begin with the key tool when manipulating a mortise lock?
Definition
6 o'clock
Term
You are the chauffeur of a tower ladder. when operating the unit from the platform, where should you place the basket when aroof has high parapet wall (above 6 feet)?
Definition
Relocate the unit or use an attic ladder secured to the top section of the boom to access the roof.
Term
What type of lock mechanism is usually founed in a narrow stile door?
Definition
Pivoting deadbolt
Term
A pivoting dead is waht type of lock?
Definition
Mortise lock
Term
You are the chauffeur for a tower ladder. You arrive on scene to find a victim hanging out a 4th floor window. Which of the following best describes the spotting position for the unit?
Definition
As close to the building s possible, with the basket in line with the window. Place the basket so that the top rail is level with the windowsill
Term
how long is the throw of pivoting dead bolt into the jamb?
Definition
More than 1 1/4 inches.
Term
If your do not readily have the tools to conduct a "through-the-lock" forcible entry, what is the next preferred alternative method of forcing a narrow stile aluminum and glass door?
Definition
Force the door starting with the top hinge using a halligan tool.
Term
Which of the following locks is the simplest to force entry through, when using the "through-the-lock" techniques?
Definition
Rim lock.
Term
When making entry through a door with a rim lock, you remove the lock cylinder and a spring loaded plated drops down when the lock cylinder is removed. this blocks access for the key tool. What entry method should you employ next?
Definition
Simply place the hook end of the halligan in the cylinder hole and drive off the lock.
Term
When making entry through a door, you remove the lock cylindr and notice a square shaft. this indicates the presence of a police lock. What entry method should you employ next?
Definition
Simply place the hook end of the halligan in the cylinder hole and drive off the lock.
Term
Where are mortise locks located?
Definition
Recessed into the door itself.
Term
Which type of lock cylinder indicates a mortise lock?
Definition
Cam.
Term
When the halligan tool is placed into the stirrup of the K tool, In which direction should force be applied when the tool is being tapped?
Definition
The force should be in the same direction of the striking.
Term
After being able to remove the lock cylinder, what will indicate to you as to how to proceed with "through-the-lock forcible entry?"
Definition
The style of the inner side of the lock cylinder.
Term
For forcible entry purposes, which of the following would not be considered one of the three types of key cylinders?
Definition
Pin tumbler.
Term
You have just pulled the lock cylinder of an apartment door. When you look at the cylinder you notice a square shaft at the end of the lock cylinder. What type of lock does that indicate?
Definition
Police lock.
Term
On what types of doors are police locks found?
Definition
Inward opening residential doors.
Term
When attempting to force outward facing doors, on the locking mechanism side, which portion of the halligan tool is recommended for use?
Definition
Adz.
Term
Which of the following FDNY members pioneered the "through-the-lock forcible entry" technique?
Definition
Captain George Sunilla.
Term
In which of the following circumstances would "through-the-lock forcible entry be preferred?

(1) Heavy fire conditions. (2) When fox locks are present. (3) Known occupants are trapped. (4) Narrow stile doors. (5) Police lock is present. (6) Drop-in bar
Definition
2, 4, 5, 7.
Term
Which of the following tools is the most efficient at removing a lock cylinder?
Definition
K tool.
Term
In what direction must a K tool be placed for best results?
Definition
Orientation of the tool is not critical.
Term
When the fork ends of the halligan have been driven in, one to two inches beyond the end of the door, which direction should force be applied to the tool?
Definition
Toward the door.
Term
What rule of forcible entry does attacking the hinge side of the door violate?
Definition
Rule 4.

Maintain the integrity of the door.
Term
When attacking the hinge side of the door, which hinge should be attacked first?
Definition
Six inches below the top hinge.
Term
Why do the majority of commercial doors open outward?
Definition
Exit codes require doors to open in the direction of travel.
Term
When attempting to force outward facing doors, on the locking mechanism side, which portion of the halligan tool should not be used?
Definition
Fork.
Term
Firefighter Tracy says when forcing an inward facing door, the fork ends of the halligan tool with the pronounced bevel should be facing so the outer curve faces the door. Firefighter Ron says when forcing an inward facing door, the fork ends of the hall
Definition
Firefighter Tracy and Firefighter Mark.
Term
Which of the following best describes the use of a sledge hammer in conventional forcible entry?
Definition
Use a sledge hammer to drive a halligan tool between the door and jamb.
Term
When forcing an inward-opening door with a halligan tool, the tool is placed parallel to the door with about a ____ to ____ degree angle from the door?
Definition
15 to 20.
Term
When forcing an inward-opening door, which portion of the halligan tool is primarily inserted between the door and jamb?
Definition
Fork.
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