TCFP Pre course Study Guide Exam Questions and Verified for Accuracy Answers 2023/2024
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Course
TCFP Firefighter
Institution
TCFP Firefighter
TCFP Pre course Study Guide Exam Questions and Verified for Accuracy Answers 2023/2024
Which is a characteristic of smooth bore nozzles?
A. Prone to clogging with debris
B. Cannot be used to apply compressed air foam
C. Cannot be adjusted to different stream patterns
D. Operate at higher n...
TCFP Pre course Study Guide Exam Questions
and Verified for Accuracy Answers 2023/2024
Which is a characteristic of smooth bore nozzles?
A. Prone to clogging with debris
B. Cannot be used to apply compressed air foam
C. Cannot be adjusted to different stream patterns
D. Operate at higher nozzle pressures than fog nozzles - correct
answer C. Cannot be adjusted to different stream patterns
How is the rate of discharge for a manually adjustable fog nozzle
changed?
A. Pushing the bale forward or backward slowly
B. Rotating the nozzle tip to choose a wider or narrower pattern
C. Rotating the selector ring to the desired GPM (L/min) setting
D. Signaling the pump operator to reduce or increase the
pressure - correct answer C. Rotating the selector ring to the
desired GPM (L/Min) setting
Advancing an uncharged hose line down a flight of stairs is only
recommended when:
A. The fire is minor or not present
B. There is an immediate need for water
C. The primary search has been completed
,D.There are at least four firefighters on the hoseline team -
correct answer A. The fire is minor or not present
Hand line streams have flows that discharge:
A. Less than 40 GPM ( 160 L/min)
B. From 25 to 300 GPM ( 100 to 1 200L/min)
C. From 40 to 350 GPM (160 to 1 400L/min)
D. More than 350 GPM ( 1 400L/min) - correct answer From 40
to 350 GPN (160 to 1 400L/min
Which type of hose stream is created by specialized nozzles such
as cellar nozzles, piercing nozzles, or chimney nozzles?
A. Fog stream
B. Solid stream
C. Broken stream
D. Straight stream - correct answer C. Broken stream
What is caused by friction loss?
A. Increased nozzle reaction
B. Decreased nozzle reaction
C. Lower water pressure at the pump
D. Lower water pressure at the nozzle - correct answer D.
Lower water pressure at the nozzle
, Class a foam acts as a surfactant, which means that it:
A. Requires a special type of nozzle for application
B. Requires a special type of aeration tool to be formed
C. Lowers the surface tension of water, allowing better
penetration into the fuel
D. Raises the surface tension of water, creating a more effective
extinguishing agent. - correct answer C. Lowers the surface
tension of water, allowing better penetration into the fuel.
The rate of application for class B foam depends on:
A. The location of the fuel spill
B. Whether or not the fuel is a surfactant
C. The type of water used to proportion the foam
D. Whether the fuel is spilled or contained in a tank - correct
answer D. Whether the fuel is spilled or contained in a tank
What is necessary when applying fire fighting foam?
A. A vapor protective suit and SCBA
B. A hazardous materials team standing by
C. Continued, uninterrupted application until extinguishment
D. Intermittent application breaks to allow the foam to settle -
correct answer C. Continued, uninterrupted application until
extinguishment
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