BEFO FFI Exam Study Questions with Complete verified Solutions
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Course
BEFO
Institution
BEFO
Types of Extinguishers - ANSWER A - Paper, wood, cloth
B - Gas, Oil, Grease
C - Electrical
D - Combustible Metals
class D fire - ANSWER combustible metals (magnesium, titanium, potassium, sodium)
Class B fire - ANSWER Burnable fuels such as gasoline, oil, or alcohol - Inert Gas, CO
BEFO FFI Exam Study Questions with Complete
verified Solutions
Types of Extinguishers - ANSWER A - Paper, wood, cloth
B - Gas, Oil, Grease
C - Electrical
D - Combustible Metals
class D fire - ANSWER combustible metals (magnesium, titanium, potassium, sodium)
Class B fire - ANSWER Burnable fuels such as gasoline, oil, or alcohol - Inert Gas, CO2
Magnesium fires - ANSWER when this burns it will burn bright white emissions during
the combustion process
Class D dry powder - ANSWER extingusher for a metal fire
smothering - ANSWER Excluding oxygen from the burning process
cooling - ANSWER Reducing the burning material below its ignition temperature
, Chemical Flame Inhibition - ANSWER Extinguishment of a fire by interruption of the chemical
chain reaction.
Saponification - ANSWER Forming an oxygen-excluding soapy foam surface
manual pump - ANSWER The operator physically applies pressure to a pump that increases
pressure within the container, forcing the agent out a nozzle at the end of a hose.
Stored-pressure fire extinguisher - ANSWER Compressed air or inert gas within the container
forces the agent out a nozzle at the end of a hose when the operator presses the handle.
Pressure Cartridge - ANSWER A separate cartridge on the side of the container contains inert
gas. When the operator punctures the cartridge seal, the expellant enters the container and
forces the agent out a nozzle on the end of a hose.
afff - ANSWER Aqueous Film Forming Foam
Clean Agent Extinguishers - ANSWER effectively cool and smother fores in class A and B
fuels and inhabit the sustain chemical reaction in class c fires.
Dry chemical extinguisher - ANSWER Used for A, B, and C class fires
dry powder - ANSWER Extinguishing agent suitable for use on combustible metal fires.
ladders need to be inspected when - ANSWER after every use and monthly
according to NFPA 1931 all ladders are required to have a - ANSWER certification lable,
stating it meets standard
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