LLPSD FF1 Chapter 8 Questions With Solutions 100% Solved
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Course
LLPSD
Institution
LLPSD
LLPSD FF1 Chapter 8 Questions With Solutions
100% Solved
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 c. ammonium phosphate
Which statement best summarizes when a dry ...
LLPSD FF1 Chapter 8 Questions With Solutions
100% Solved
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 c. ammonium phosphate
Which statement best summarizes when a dry chemical extinguisher should be serviced and
recharged?
a. after a discharge resulting in loss of 30 percent or pressurization
b. after a discharge resulting in loss of 10 percent of pressurization
c. after any discharge
d. after a discharge resulting in loss of 20 percent of pressurization c. after any discharge
Bromochlorodifluoromenthane is a ______ agent.
a. class D
b. multipurpose dry chemical
, LLPSD FF1 Chapter 8 Questions With Solutions
100% Solved
c. halogenated
d. wet chemical c. halogenated
What is one disadvantage of CO2 extinguishers?
a. corrosive residue
b. cost
c. electrical conductivity
d. short discharge range d. short discharge range
All portable fire extinguishers use which means for expelling their contents?
a. volume
b. gravity
c. pressure
d. vacuum c. pressure
Which class of fire involves energized electrical equipment?
a. C
, LLPSD FF1 Chapter 8 Questions With Solutions
100% Solved
b. B
c. D
d. A a. C
How do multipurpose dry chemical agents prevent rekindling of Class A fuel?
a. by attracting and holding moisture
b. by forming a crust over the fuel
c. by penetrating the fuel
d. by interrupting the chemical chain reaction b. by forming a crust over the fuel
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 c. a wetting agent
What does it mean when a fire extinguisher has a pictograph with a red slash through it?
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