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LLPSD FF1 Chapter 8- Questions & Answers
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LLPSD FF1 Chapter 8- Questions & Answers
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LLPSD FF1 Chapter 8- Questions &Answers
Which class of fire is depicted in the pictograph system by a flame and electrical plug and
socket?
a. C
b. D
c. K
d. B Correct Ans-a. C
Which class of fire is depicted in the pictograph system by a flame and gasoline can.
a. C
b. A
c. B
d. D Correct Ans-c. B
Which compound is added to a water extinguisher to improve penetration of fuel?
a. alcohol
b. alkai metal salt
c. a wetting agent
d. bicarbonate Correct Ans-c. a wetting agent
Which extinguishing agent is suitable for use on a Class C fire?
,a. aqueous film-forming foam (AFF)
b. carbon tetrachloride
c. dry powder
d. carbon dioxide Correct Ans-d. carbon dioxide
Which extinguishing method is being used when a foam blanket is placed over the surface of a
burning liquid?
a. diluting the fuel
b. inhibiting the chemical chain reaction
c. cooling the fuel
d. cutting off the oxygen supply Correct Ans-d. cutting off the oxygen supply
Which feature of some carbon dioxide extinguishers makes them dangerous for use on Class C
fires?
a. steel cylinder
b. metal horn
c. loaded stream
d. external cartridge Correct Ans-b. metal horn
Which fire extinguishing agent is best for use on sensitive electronic equipment?
a. aqueous film-forming foam (AFFF)
b. loaded stream
c. ammonium phosphate
, d. carbon dioxide Correct Ans-d. carbon dioxide
Which hazard category includes automotive service or repair facilities?
a. moderate
b. extra
c. severe
d. ordinary Correct Ans-b. extra
Which motion best accomplishes the removal of the pin and tamper seal from a portable fire
extinguisher?
a. push, then pull
b. side to side motion
c. twisting motion
d. a strong pull directly outward Correct Ans-c. twisting motion
Which of the following is commonly used as a dry chemical extinguishing agent?
a. carbon tetrachloride
b. potassium hydrate
c. ammonium phosphate
d. calcium bicarbonate Correct Ans-c. ammonium phosphate
Which of the following is one of the three basic components required for fire?
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