BOF QUIZ QUESTIONS MOD B
AND ANSWERS (LATEST)
Water-aspirating nozzles - ANSWERS-Which nozzles pump foam
solution through the nozzle in a fine spray that mixes with air to form
foam?
Foam works by forming a blanket of foam on the surface of burning
fuels. - ANSWERS-Which of the following statements about fire
fighting foam is MOST accurate?
Class B foams are effective on hydrocarbon fuels and polar solvents. -
ANSWERS-Which of the following statements about foam
concentrates is MOST accurate?
Manufacturers' safety data sheets provide environmental impact
information for specific foam concentrates. - ANSWERS-Which of
the following statements about foam hazards is MOST accurate?
Eduction uses pressure energy in the stream of water to induct foam
concentrate into the fire stream. - ANSWERS-Which of the following
statements about foam proportioning is MOST accurate?
Bank-down method - ANSWERS-Which technique for applying Class
B foam is used primarily on fires contained in diked pools around
,storage tanks and fires involving spills around damaged or overturned
transport vehicles?
True - ANSWERS-T/F
Alcohol-resistant foams are specially developed for polar solvents and
ethanol-based fuels.
False - ANSWERS-T/F
Foam concentrates generate bubbles through chemical reaction when
concentrates are mixed with water.
True - ANSWERS-T/F
Foam concentrates pose minimal health risks to firefighters
True - ANSWERS-T/F
For maximum effectiveness, foam concentrates must be proportioned
at the specific percentage for which they were designed.
True - ANSWERS-T/F
When applying foam to a pool of liquid fuel, the operator continues to
apply foam until it spreads across the entire surface of the fuel.
24 inches (600 mm) - ANSWERS-Floating strainers can draft water
from sources as shallow as:
, Brass - ANSWERS-Isolation and control valves are usually
constructed of:
5 (125) - ANSWERS-Standard three-way fire hydrants require a ___-
inch (mm) valve opening.
Dead-end hydrant - ANSWERS-Which of the following is a hydrant
that receives water from only one direction?
False - ANSWERS-T/F
Dry-barrel hydrants are designed to have water inside them at all
times.
False - ANSWERS-T/F
Fire hydrant locations are generally determined by the fire
department.
True - ANSWERS-T/F
Two or more primary feeders should run from the source of the water
supply to high-risk and industrial districts along separate routes.
Bolt Cutter - ANSWERS-A barbed wired fence should be cut with a
(an):
Minimum damage and proceed to maximum damage - ANSWERS-
When performing forcible entry to open a door begin with:
AND ANSWERS (LATEST)
Water-aspirating nozzles - ANSWERS-Which nozzles pump foam
solution through the nozzle in a fine spray that mixes with air to form
foam?
Foam works by forming a blanket of foam on the surface of burning
fuels. - ANSWERS-Which of the following statements about fire
fighting foam is MOST accurate?
Class B foams are effective on hydrocarbon fuels and polar solvents. -
ANSWERS-Which of the following statements about foam
concentrates is MOST accurate?
Manufacturers' safety data sheets provide environmental impact
information for specific foam concentrates. - ANSWERS-Which of
the following statements about foam hazards is MOST accurate?
Eduction uses pressure energy in the stream of water to induct foam
concentrate into the fire stream. - ANSWERS-Which of the following
statements about foam proportioning is MOST accurate?
Bank-down method - ANSWERS-Which technique for applying Class
B foam is used primarily on fires contained in diked pools around
,storage tanks and fires involving spills around damaged or overturned
transport vehicles?
True - ANSWERS-T/F
Alcohol-resistant foams are specially developed for polar solvents and
ethanol-based fuels.
False - ANSWERS-T/F
Foam concentrates generate bubbles through chemical reaction when
concentrates are mixed with water.
True - ANSWERS-T/F
Foam concentrates pose minimal health risks to firefighters
True - ANSWERS-T/F
For maximum effectiveness, foam concentrates must be proportioned
at the specific percentage for which they were designed.
True - ANSWERS-T/F
When applying foam to a pool of liquid fuel, the operator continues to
apply foam until it spreads across the entire surface of the fuel.
24 inches (600 mm) - ANSWERS-Floating strainers can draft water
from sources as shallow as:
, Brass - ANSWERS-Isolation and control valves are usually
constructed of:
5 (125) - ANSWERS-Standard three-way fire hydrants require a ___-
inch (mm) valve opening.
Dead-end hydrant - ANSWERS-Which of the following is a hydrant
that receives water from only one direction?
False - ANSWERS-T/F
Dry-barrel hydrants are designed to have water inside them at all
times.
False - ANSWERS-T/F
Fire hydrant locations are generally determined by the fire
department.
True - ANSWERS-T/F
Two or more primary feeders should run from the source of the water
supply to high-risk and industrial districts along separate routes.
Bolt Cutter - ANSWERS-A barbed wired fence should be cut with a
(an):
Minimum damage and proceed to maximum damage - ANSWERS-
When performing forcible entry to open a door begin with:
