Adding foam concentrate to a fire apparatus tank is called
Batch mixing
Attack lines should be connected to a standpipe system
one floor below the fire floor
Class B foam is used for which type of fire
Flammable liquids
Compared to fog nozzle streams, smooth-bore nozzle streams
absorb less heat
For which preconnected hose load does the fire fighter shoulder part of the load, with hose paying off the top of that load as the fire fighter advances
Minuteman
Generally speaking , a 1 1/2" (38-mm) attack hose can flow
60 to 125 gpm (227 to 473 lpm)
Generally speaking, a 1 3/4" (45-mm) attack hose can flow
120 to 180 gpm (454 to 681 lpm)
Generally speaking, a 1" (25cm) booster hose can flow
40 to 50gpm (151 to 189lpm)
Hard rubber hose stored on a hose reel is __ hose
Booster
How does foam extinguish flammable liquid fires
Separates the fuel from the fire
How should fire fighters space themselves when advancing an uncharged line up a ladder
one fire fighter on each ladder section
In general, what volume does a 2 1/2" (64-mm) handline flow
250gpm (946 lpm)
Master streams flow a minimum of
350gpm (1325lpm)
Most fog nozzles are designed to operate at which nozzle pressure
100 psi (690 kPa)
Most smooth-bore nozzles are designed to operate at which pressure
50 psi(345kPa)
The function of a standpipe system is to provide
a water supply for interior attack lines
The low surface tension of Class A foam affects its extinguishing properties by
enabling water to penetrate the fuel more deeply
To batch mix 3 percent foam into a 500-gallon ( 1893-liter) water tank, how much foam concentrate should be added to the tank
15 gal (57L)
What is a benefit of class A foam
Reduces the surface tension of water
What is an advantage of a fog-stream nozzle
Greater heat absorption per gallon discharged
What is an advantage of a smooth-bore nozzle
Longer stream reach
What is an advantage of an automatic fog nozzle
The flow rate adjust to maintain the rated nozzle pressure
What is an appropriate use for a 1" (25-mm) booster line
Dumpster fire
What is high-expansion foam particularly used for
Flooding of large enclosed areas
What is the correct operating pressure for an in-line foam educator
200 psi (1379kPa)
What is the correct procedure for a burst hose line
Use two lengths of hose to replace a single burst length
What is the correct procedure for deploying a triple-layer load preconnect
Place the nozzle and the top fold over the should and walk away from the apparatus
What is the correct procedure for the triple-layer load
The entire load must be on the ground before the nozzle can be advanced
What is the second stage of advancing an attack line
advancing the line to the point of attack
What is the term for a hose line that is stored on an engine connected to a discharge and equipped with a nozzle for immediate deployment
preconnect
When there is extra hose at the entry of a building , how should that hose be arranged
A serpentine pattern
When using a standpipe connection in a stairwell, how should the hose be arranged
up the stairwell toward the floor above the fire
Which attack line load is often coupled to a larger-diameter line
wyed lines
Which attack line load is particularly useful when the line must be advanced up a stairway
Minuteman
Which attack line load is particularly useful when there is a long distance between the engine and the fire
Wyed lines
Which device mixes foam concentrate in the water stream in the proper percentage
proportioner
Which foam application method is best for a pool of flammable liquid on open ground
Sweep (roll-on)
Which foam application method is best for an open-top storage tank fire
Bankshot( bank-down)
Which hose diameter is used as both supply line and attack handline
2 1/2" (64mm)
Which nozzle type has the highest flow rate
Master stream
Which preconnected hose load forms an S-shape in the hose bed
Triple layer
Which statement about operating a nozzle from a ground ladder is correct
The hose must be tied securely to the ladder
Which statement about straight streams is correct
A straight stream is discharged from an adjustable fog nozzle
Which type of foam contains a surface-active agent that produces a fast-spreading film
Fluoroprotein
Which type of foam is effective on polar solvents
Alcohol-resistant
Which type of foam is made from animal by-products
Protein
Which type of foam is particularly well suited for gasoline spills
Aqueous film-forming
Which type of fog-stream nozzle provides a flow between 90 and 225gpm (340 and 852lpm)
Automatic-adjusting
Which type of hose ranges in size form 1" to 1 1/2" (25 to 38mm) in diameter
Forestry
Which type of hose ranges in size from 2 1/2" (65mm) to 3" (75mm) in diameter
Medium
Which type of load is most commonly used for pre connected attack lines
Minuteman
Which type of nozzle is most commonly used to apply aqueous film-forming foam
Adjustable fog
Which type of nozzle is used most commonly with fluoroprotein foam
Aerating
Which type of nozzle is used to fight fires in inaccessible places such as attics and basements
Cellar