answers with solutions 2025
What are your first few steps when faced with a Class B fire? - ANSWER Ensure you have enough foam
concentrate to COMPLETELY extinguish the fire and prevent reignition
1. Assemble the foam equipment
2. Determine the type of flammable liquid involved
3. Determine the amount of flammable liquid invloved
Which statements about firefighting a Class B fire with foam are TRUE? - ANSWER 1. Being your attack
upwind and uphill if possible
2. When the foam starts flowing, advance the hoseline to the leading edge of the fire
NEVER plunge the stream into the liquid. Use a method with the least amount of splashing to apply the
foam
Which method of applying foam to a Class B fire is being used when the foam is directed onto the
ground, just in front of the flaming liquid, and rolls across the top of the fuel? - ANSWER Sweep
When using the BLANK method of applying foam to a Class B fire, aim the stream against an object,
allowing it to spread down over the fuel, while sweeping the nozzle back and forth, letting the foam fall
gently on the surface until it forms a complete blanket? - ANSWER Backdown
Using the BLANK method, loft the foam into the air above the fire and allow it to rain onto the surface? -
ANSWER Rain-down
When would it be appropriate to apply foam on a Class B fire using the backdown method? - ANSWER
The fire is located next to a wall or other stationary object
If fumes from a Class B fire are not adequately suppressed by foam, the fire can reignite with explosive
force. T or F? - ANSWER True
, What does a firefighter take into consideration when selecting the correct type and amount of foam
needed o control a large Class B fire? - ANSWER 1. Quantity of flammable or combustible liquid involved
2. Exposures
3. Type of flammable or combustible liquid involved
4. Number of firefighters available at the scene
WRONG
The "bankdown" method of applying foam to a Class B fire is sometimes known as the "roll-on" method.
T or F? - ANSWER False, The "sweep method" is sometimes known as the "roll-on-method"
Where is the fire attack typically initiated in a high-rise building? - ANSWER Floor below the fire floor
When attacking a high-rise building fire, standpipe packs should always be connected to the standpipe
on the floor below the fire floor. T or F? - ANSWER False, if PROTECTED from the fire, standpipe packs
may be connected to the standpipe ON the fire floor
To make it easier to feed hose when it is needed in a multi-story building fire, it is best to flake extra
hose? - ANSWER Up the staris above the fire floor
When there is a fire on the upper floors of a building, what should you do outside the building? -
ANSWER 1. Cordon off the entire permimeter of the building
2. Kepp equipment and personnel safe from falling glass and debris
What special challenges are presented by fires in upper levels of multi-story structures? - ANSWER 1.
Most equipment will need to be carried by hand
2. Additional manpower will be required
3. Fire-fighting equipment will need to be carried to upper levels before the attack can begin
4. Staging extra equipment and personnel may need to be done inside the building
The floor below the fire floor in a multi-story building often provides helpful information about the
layout of the fire floor. T or F? - ANSWER True