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LLPSD - FF1 Chapter 3 Exam Questions and Answers
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LLPSD - FF1 Chapter 3 Exam Questions and Answers
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LLPSD - FF1 Chapter 3 Exam Questionsand Answers
NFPA standards require an SCBA low-air alarm to sound when the cylinder pressure
drops to _____ percent of capacity.
a. 10
b. 25
c. 15
d. 20 - Answer -b. 25
What is an approved material for structural firefighting boots?
a. Leather
b. Polymeric synthetic
c. Extos
d. Gore-Tex - Answer -a. Leather
Which fire gas is a product of incomplete combustion of common household items?
a. Acrolein
b. Hydrogen chloride
c. Sulfur dioxide
d. Phosgene - Answer -d. Phosgene
What is the primary function of the purge valve on an SCBA?
a. Supply air in the event of a regulator malfunction
b. de-fog the face piece interior
c. Bleed off residual pressure after the cylinder valve has been closed
d. Switch between pressure and pressure-demand modes - Answer -c. Bleed off
residual pressure after the cylinder valve has been closed
Turnout coats and trousers have a protective system that consists of ____ layers.
a. 2
b. 4
c. 3
d. 5 - Answer -c. 3
When is it acceptable to remove the inner thermal layer from a turnout coat?
a. When the coat is used for confined-space operations
, b. Never
c. When the coat is being cleaned
d. When the coat is used for wildland firefighting - Answer -c. When the coat is being
cleaned
Which component of structural turnout coats is critical for protecting the body from
steam burns?
a. Moisture barrier
b. Insulation
c. Thermal barrier
D. Outer shell - Answer -a. Moisture barrier
How often should SCBA face pieces be fit-tested?
a. every 6 months
b. every 12 months
c. monthly
d. every 3 months - Answer -b. Every 12 months
Which NFPA standard deals with personal alert safety systems?
a. 1785
b. 1982
c. 1440
d. 1460 - Answer -b. 1982
Which fire gas is a product of burning plastic?
a. Hydrogen cyanide
b. Acrolein
c. Carbon dioxide
d. Hydrogen sulfide - Answer -a. Hydrogen cyanide
When donning SCBA, fire fighters should check that cylinder has a minimum of ____
percent of its rated maximum pressure.
a. 80
b. 100
c. 75
d. 90 - Answer -d. 90
An oxygen-deficient atmosphere is defined as one where the percentage of oxygen in
air is less than ____ percent.
a. 19.5
b. 21
c. 18
d. 17.5 - Answer -a. 19.5
Which gas is most commonly produced by residential or commercial fires?
a. Hydrogen sulfide
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