Term
What do foam nozzles consist of? |
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Definition
pick-up tube application barrel metering orifice defusing vanes |
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Term
Foam eductors are used in conjunction with ? |
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Definition
5 gallon containers of AFFF and ATC |
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Term
A synthetic foam forming liquid designed to be used at a ratio of 6 parts(conectrate):94 parts (water)? |
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Definition
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Term
Light Water is more then ______ times effective as protein type foams on open surface gasoline fires. |
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Definition
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Term
AFFF should not be used on what type on incidents ? |
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Definition
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Term
What should be used on polar solvent fires? |
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Definition
ATC ( Alcohol Type Concentrate) |
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Term
The wet water proportioner is a ____________ __________, variable flow proportioner designed to accomodate water flows and pressures? |
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Definition
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Term
The addition of a wetting agent does what? |
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Definition
Lessens the surface tension of water increasing its ability to penetrate, |
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Term
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Definition
Class A combustibles like shingles, baled goods, etc. |
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Term
Wet water is very _____ and slippery, so care must be used around personnel. |
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Definition
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Term
All wet water lines should be flushed> |
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Definition
After use with fresh water |
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Term
What does the Wet Water Anti-Siphon sprayer consist of? |
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Definition
flared tiip metereing nozzle with cup attached to a garden hose |
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Term
The metering disk of the Wet Water Anti Siphon Sprayer is normally set at ___ and approximately ___ psi. |
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Definition
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Term
The 2 1/2" Bresnan distributor is desgined to throw a heavy spray of water over an area approximately ___ ft. in diameter? |
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Definition
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Term
The 2 1/2" Bresnan distributor has ________ orfices and is considered equivalent to a ________? |
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Definition
9 1 1/2" or 1 3/4" tip (600- 800 GPM) |
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Term
How is the Bresnan Distributor placed into service? |
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Definition
Shut-off connected to the supply line at the first coupling back. A bypass may be used instead of a 50 ft. section. |
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Term
What is a Siphon Ejector used for? |
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Definition
dewatering operations and for firefighting operations |
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Term
Siphon ejectors can lift up to ? |
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Definition
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Term
The efficiency of a siphon ejector is regulated by the ____________? |
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Definition
pressure in the supply line |
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Term
What are the 3 sizes of ejectors? |
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Definition
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Term
The size designation of the siphon ejector is done by the? |
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Definition
inlet (supply) side of the appliance |
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Term
Discharge lines of the siphon ejector must be able to handle _______ the flow of the supply line. |
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Definition
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Term
The 2 1/2" Siphon ejector has a adjusting wheel for regulation of the high velocity nozzle. It should be set at? |
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Definition
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Term
A ladderpipe is a HEAVY stream appliance designed to provide fire stream penetration from__________? |
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Definition
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Term
What size nozzles are found on the ladder pipe? |
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Definition
smooth bore 1 1/2" 500 GPM spray |
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Term
How long are the sections of hose on the ladder pipe? |
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Definition
100 foot section of 3" hose with 2 1/2" couplings |
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Term
What size reducer and shutoff are found on the ladderpipe? |
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Definition
2 1/2" shut-off 4" to 2 1/2" reducer |
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Term
Normally provided with a 2 1/2" intake manifold with clapper valves. 1 1/2, 1 3/4, and 2" tips are provided. |
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Definition
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Term
Portable monitors are similar in manner to ? |
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Definition
wagon batteries and ladderpipes |
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Term
How are portable monitors connected? |
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Definition
4" to 2 1/2" gated wye then two 2 1/2" lines with shut-offs |
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Term
What are the 6 parts to the portable monitor-light weight? |
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Definition
1) main body 2) manifold inlet 3) barrel 4) *if no barrel- a diffusing vane 5) legs 6) tie down chain |
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Term
What are the horizontal rotation limits of a portable monitor? |
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Definition
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Term
How is control of the vertical plane acheived in a portable monitor? |
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Definition
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Term
How is control of the vertical plane acheived in a portable monitor? |
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Definition
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Term
How is control of the vertical plane acheived in a portable monitor? |
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Definition
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Term
Wagon Batteries are generally equipped with what size nozzles? |
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Definition
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Term
Large monitors permanently mounted on pumping apparatus. |
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Definition
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Term
The Apparatus should be placed so that the stream from the wagon battery can enter into the building at a _______ angle. |
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Definition
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Term
Effectiveness of wagon batteries in upper floors is limited to what height? |
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Definition
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