ANSWERS UPDATED 2026 – 2027 .
A portable fire extinguisher must be labeled with the:
a. colors that designate its class rating
b. name of the purchasing department
c. type of PPE required to be worn while operating
d. letters and/or symbols that designate its class rating - Correct Answer -d. letters and/or symbols
that designate its class rating
Class A portable fire extinguishers are rated from 1-A through 40-A based upon the amount of water
and:
a. the weight and height of the portable extinguisher
b. whether the portable extinguisher is certified for novice use
c. duration and range of discharge used in extinguishing test fires
d. whether the portable extinguisher us intended for indoor or outdoor use - Correct Answer -c.
duration and range of discharge used in extinguishing test fires
Which extinguishing agent should be used for a Class D fire?
a. Dry powder
b. Dry chemical
c. Wet chemical
d. Class D foam - Correct Answer -a. Dry powder
When an extinguishing agent is determined to be safe and effective for use on combustible metals, it
will:
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, a. include the test results on the faceplate
b. include application instructions on the faceplate
c. be given a numerical rating based upon the amount of fire it can extinguish
d. be a different color than extinguishers designed to extinguish other classes of fire - Correct
Answer -b. include application instructions on the faceplate
Class K rated extinguishers work because of _____, which converts fatty acids into a soapy film.
a. cooling
b. smothering
c. saponification
d. chemical flame inhibition - Correct Answer -c. saponification
A _____ extinguisher requires the operator to apply pressure to a pump that increases pressure
within the container and forces the agent out the nozzle.
a. manual pump
b. stored pressure
c. manual cartridge
d. pressure cartridge - Correct Answer -a. manual pump
Pump-type water extinguishers are intended primarily for use on:
a. Class B fires
b. Class D fires
c. ground cover fires
d. energized electrical equipment - Correct Answer -c. ground cover fires
Stored-pressure water extinguishers are used on Class _____ fires.
a. A
b. B
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