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LLPSD FF1 Chapter 16 Questions With Answers Graded A+ Assured Success
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Which pressure must be measured to calculate the quantity of water flowing through a hydrant discharge? a. operating b. flow c. residual d. head - b. flow The pressure remaining in a water distribution system when water is flowing is the _____ pressure. a. residual b. flow c. operating d....

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  • August 13, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • LLPSD FF1 Chapter 16
  • LLPSD FF1 Chapter 16

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LLPSD FF1 Chapter 16
Which pressure must be measured to calculate the quantity of water flowing through a hydrant
discharge?

a. operating

b. flow

c. residual

d. head - b. flow



The pressure remaining in a water distribution system when water is flowing is the _____ pressure.

a. residual

b. flow

c. operating

d. static - a. residual



The pressure in a system when no water is flowing is called ____ pressure.

a. flow

b. operating

c. residual

d. static - d. static



What is the purpose of the Higbee indicators?

a. make hose coupling easier and faster

b. help disoriented fire fighters find their way out of a building

c. indicate when the hose may be pulling out of the coupling

d. identify the thread standard type - a. make hose coupling easier and faster



The pipes that deliver water from the treatment facility for distribution are _________.

a. trunks

,b. mains

c. distributors

d. secondaries - b. mains



Which pipe pattern supplies water to hydrants from more than one direction?

a. engineered

b. parallel

c. grid

d. duplex - c. grid



According 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" - c. 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 - a. hose roller



Another term for head pressure is ______ pressure.

a. residual

b. elevation

c. flow

d. static - b. 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 - b. elevation



In a well-designed water distribution system, which type of pattern do the water mains follow?

a. loop

b. branched

c. parallel

d. grid - d. 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 - c. uncouple hose



Which coupling goes on the inside of a straight hose roll?

a. either

b. both couplings are attached

c. female

d. male - d. male



In general, mobile water supply apparatus carry ______.

a. 1ooo to 3500 gal.

b. 2000 to 5000 gal.

c. 3000 to 6000 gal.

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