Term
|
Definition
| Standard for Portable Fire Extinguishers |
|
|
Term
|
Definition
|
|
Term
|
Definition
| reducing the burning material below its ignition temperature |
|
|
Term
|
Definition
| interrupting the chemical chain reaction |
|
|
Term
|
Definition
| forming an oxygen-excluding soapy foam |
|
|
Term
| Pump-tank size, stream and discharge |
|
Definition
1 1/2 gallons
30-40 feet
45 seconds to 3 minutes |
|
|
Term
| Stored-Pressure size, stream and discharge |
|
Definition
1 1/4 to 2 1/2 gallons
30-40 feet
30-60 seconds |
|
|
Term
| AFFF size, stream and discharge |
|
Definition
2 1/2 gallons
20-25 feet
approx 50 second |
|
|
Term
| Clean agent size, stream and discharge |
|
Definition
1.4 to 15.5 lbs
6-18 feet
8-10 seconds |
|
|
Term
| Carbon Dioxide (hand-carried) size, stream and discharge |
|
Definition
2 1/2 to 20 lbs
3-8 feet
8-30 seconds |
|
|
Term
| Carbon Dioxide (wheeled) size, stream and discharge |
|
Definition
50 to 100 lbs
8-10 feet
26-65 seconds |
|
|
Term
| Dry Chemical (hand-carried) size, stream and discharge |
|
Definition
2 1/2 to 30 lbs
5-20 feet
8-25 seconds |
|
|
Term
| Dry Chemical (wheeled) size, stream and discharge |
|
Definition
75 to 350 lbs
up to 45 feet
20 seconds to 2 minutes |
|
|
Term
| Dry Powder size, stream and discharge |
|
Definition
hand carried: up to 30 lbs, wheeled: 150 lbs and 350 lbs
4-6 feet
28-30 seconds |
|
|
Term
| Wet Chemical size, stream and discharge |
|
Definition
2.5 gallons
8-12 feet
75-85 seconds |
|
|
Term
|
Definition
| Standard for Automotive Fire Apparatus |
|
|
Term
| Minimum requirement for portable extinguishers on fire apparatus |
|
Definition
Dry Chemical requirement = 80 B:C
CO2 requirement = 10 B:C
Water = at least 2 1/2 gallon on a pumper |
|
|
Term
|
Definition
| ordinary combustibles, ex: textiles, paper, plastics, rubber, wood |
|
|
Term
|
Definition
flammable and combustible liquids, gases and greases, ex: alcohol, cooking oils, gas, LPG.
Requires CO2, dry chemicals |
|
|
Term
|
Definition
| A and B created by electrical energy. |
|
|
Term
|
Definition
combustible metals and alloys, ex: lithium, magnesium, potassium, sodium
Requires dry powder |
|
|
Term
|
Definition
combustible cooking oils
Requires wet chemicals |
|
|
Term
|
Definition
used on small Class A fires only
equipped with single or double acting pump |
|
|
Term
| Stored-pressure extinguishers |
|
Definition
small Class A fires, usually on hot spots during overhaul process
foam is sometimes added for furniture and vehicle seats, and wildland vegetation |
|
|
Term
| Water-Mist stored-pressure extinguishers |
|
Definition
deionized water; nozzle produces a fine spray
enhances cooling and soaking characteristics and reduces scattering of burning materials
for Class A fires but safe for Class C |
|
|
Term
| Wet Chemical stored-pressure extinguishers |
|
Definition
| Class K fires, specifically designed to control and extinguish fires in deep fryers |
|
|
Term
| Aqueous Film Foaming Foam (AFF) Extinguishers |
|
Definition
Class A and B; useful in combating fires or vapors from small liquid fuel spills
when combined with water, can form a complete vapor barrier over fuel spills and fires, highly effective extinguishing and blanketing agent
do NOT apply directly to fuel, instead rain down or deflect |
|
|
Term
| Clean Agent extinguishers |
|
Definition
replacements for Halon 1211
cool and smother Class A and B, safe on class C
rapidly evaporating liquid that leaves no residue |
|
|
Term
| Carbon Dioxide extinguishers |
|
Definition
Class B and C fire extinguisher
limited reach and can be dispersed by wind
may come out cold, but no cooling effect |
|
|
Term
| Dry chemical extinguishers |
|
Definition
Most common portable extinguisher
Class A-B-C and/or Class B-C
prevented from caking inside of canister
nontoxic and safe, but may obscure visibility |
|
|
Term
| Types of Dry Chemical Agents |
|
Definition
sodium bicarbonate
potassium bicarbonate
urea-potassium bicarbonate
potassium chloride
monoammonium phosphate |
|
|
Term
| Class A extinguisher rating ranges |
|
Definition
|
|
Term
| Class B extinguisher rating ranges |
|
Definition
|
|
Term
| Class D extinguisher rating ranges |
|
Definition
| No rating range; cannot be given a multipurpose rating with other classes of fire |
|
|
Term
| Minimum criteria for Class K Rating |
|
Definition
| must be able to extinguish light oils with a surface area of 2.25 square feet |
|
|
Term
| Water extinguishing characteristics |
|
Definition
Primary: Cooling
Secondary: Oxygen depletion |
|
|
Term
| Carbon dioxide extinguishing characteristics |
|
Definition
Primary: Oxygen depletion
Secondary: Cooling |
|
|
Term
| Foam extinguishing characteristics |
|
Definition
Primary: Oxygen depletion
Secondary: Vapor suppression |
|
|
Term
| Clean agent extinguishing characteristics |
|
Definition
Primary: Chain inhibition
Secondary: Cooling |
|
|
Term
| Dry chemical extinguishing characteristics |
|
Definition
Primary: Chain inhibition
Secondary: Oxygen depletion |
|
|
Term
| Wet chemical extinguishing characteristics |
|
Definition
Primary: Oxygen depletion
Secondary: Vapor suppression |
|
|
Term
| Dry Powder extinguishing characteristics |
|
Definition
Primary: Oxygen depletion
Secondary: Heat transfer cooling |
|
|
Term
| PASS method of application |
|
Definition
Pull the Pin
Aim
Squeeze
Sweep back and forth |
|
|
Term
| When should portable extinguishers be inspected? |
|
Definition
|
|
Term
| Stop-date of production of inverting-type extinguishers |
|
Definition
|
|
Term
| OSHA regulations 29 CFR 1910.157 L |
|
Definition
| requires employers to permanently remove carbon tetrachloride and cholorobromonmethane extinguishers by January 1982. |
|
|
Term
| Montreal Protocol on Substances that Deplete the Ozone Layer |
|
Definition
| 1987, required the complete termination of the production and consumption of halogens by 2000, except when no other alternative is available. |
|
|
