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What classification of portable fire extinguisher is used for fires that involve combustible liquids and gases?


A) Class A
B) Class B
C) Class D
D) Class K

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What type of portable fire extinguisher is intended primarily for ground cover fires?


A) Clean agent
B) Pump-type water
C) Aqueous film forming foam
D) Wet chemical stored-pressure

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What application method is used with an aqueous film forming foam (AFFF) extinguisher in order to prevent disturbing the fuel?


A) Apply foam directly to fuel surface
B) Apply foam in conjunction with dry ice crystals
C) Allow foam to gently rain down onto fuel surface
D) Allow foam to rest before applying to fuel surface

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The resulting foam from an aqueous film forming foam (AFFF) extinguisher will fuels lighter than air.


A) mix in with
B) float on the surface of
C) sink below the surface of
D) cause a chemical reaction with

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During inspection, if a portable fire extinguisher is found deficient in weight by percent it should be removed from service and replaced.


A) 5
B) 8
C) 10
D) 12

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What type of portable fire extinguisher uses air stored in the tank to force water up a siphon tube when operated?


A) Clean agent
B) Pump-type water
C) Carbon dioxide (CO2)
D) Stored-pressure water

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Once the proper extinguisher is selected, you must check to ensure the pressure gauge:


A) is not clouded over.
B) is in the operable range.
C) has been properly inspected.
D) records the last maintenance performed.

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