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LLPSD FF1 Chapter 14 and 15 Questions and Answers 2024
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LLPSD FF1 Chapter 14 and 15
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LLPSD FF1 Chapter 14 and 15According to the NFPA, what is the minimum distance between the center of the fire
hydrant outlet and the finished grade of the ground around the hydrant?
a. 30"
b. 12"
c. 18"
d. 24" - answerc. 18"
Which tool is used to protect a hose line that is being hoisted over a sharp edge?
a. hose roller
b. edge protector
c. hose ramp
d. hose pulley - answera. hose roller
Another term for head pressure is ______ pressure.
a. residual
b. elevation
c. flow
d. static - answerb. elevation
What is the minimum recommended pressure for water coming from a fire hydrant?
a. 30 psi
b. 40 psi
c. 50 psi
d. 20 psi - answer20
In a well-designed water distribution system, which type of pattern do the water mains
follow?
a. loop
b. branched
c. parallel
d. grid - answerd. grid
The two-fire-fighter stiff-arm method is used to _____.
a. reload LDH into a hose bed
b. make hard suction hose connections
c. uncouple hose
d. advance a charged line - answerc. uncouple hose
Which coupling goes on the inside of a straight hose roll?
a. either
,b. both couplings are attached
c. female
d. male - answerd. male
In general, mobile water supply apparatus carry ______.
a. 1ooo to 3500 gal.
b. 2000 to 5000 gal.
c. 3000 to 6000 gal.
d. 1000 or fewer gal. - answera. 1ooo to 3500 gal.
Which valve is opened or closed by rotating a handle a quarter turn?
a. Siamese
b. Butterfly
c. Slide
d. Gate - answerb. Butterfly
What is used to connect hose couplings with dissimilar threads?
a. Siamese
b. Adaptor
c. Fitting
d. Hose jacket - answerb. Adaptor
Which term means the amount of energy in a body or stream of water?
a. flow
b. volume
c. watts
d. pressure - answerd. pressure
A Pitot gauge is used to calculate ________ pressure.
a. flow
b. operating
c. residual
d. static - answervolume of flowing water
What is the fastest way for a mobile water supply apparatus to offload water into a
portable tank?
a. use the dump valve
b. connect to the drafting pumper
c. use large-diameter hose
d. engage the tender's auxiliary pump - answera. use the dump valve
What is the last step in rolling a straight hose roll?
a. tie the slip knot
b. create a fold to protect the outer coupling
c. connect the couplings together
d. use a foot to align protruding hose - answerd. use a foot to align protruding hose
, Which pressure must be measured to calculate the quantity of water flowing through a
hydrant discharge
a. operating
b. flow
c. residual
d. head - answerflow
A dry hydrant provides access to a ________.
a. portable water tank
b. municipal water system
c. cistern or well
d. static water source - answerd. static water source
Which feature of hose couplings is used to aid in the coupling and uncoupling of hose?
a. lug
b. shank
c. spanner
d. Higbee cut - answera. lug
Fire fighters may need to hold on to the ____ while filling a self-expanding portable tank.
a. hose
b. frame
c. collar
d. rope - answerc. collar
The volume of water that is being moved through a pipe or hose is termed the ______.
a. stream
b. flow
c. pressure
d. throughout - answerb. flow
What is a common use for a hose clamp?
a. allow a hydrant to be opened before the supply line is connected to the pump intake
b. regulate pressure/volume in a single hose
c. control a burst section of hose line without interrupting water flow
d. allow for a quick-connect of an attack line to a pumper when the threads do not
match - answera. allow a hydrant to be opened before the supply line is connected to
the pump intake
What is the decrease in pressure that occurs as water moves through a hose?
a. water hammer
b. residual pressure
c. friction loss
d. kinetic energy - answerc. friction loss
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