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LLPSD FF1 Chapter 8- Questions & Answers $13.99   Add to cart

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LLPSD FF1 Chapter 8- Questions & Answers

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LLPSD FF1 Chapter 8- Questions & Answers

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  • November 12, 2024
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  • 2024/2025
  • Exam (elaborations)
  • 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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