USES CORE REVIEW 2026
◉ A dry hydrant provides access to a ________.
a. portable water tank
b. municipal water system
c. cistern or well
d. static water source.
Answer: d. 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.
Answer: a. 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.
Answer: c. 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.
Answer: b. 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.
Answer: a. 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.
Answer: c. friction loss
◉ Which of the following is one of the three factors that determine
friction loss?
a. water source
b. hose diameter
c. atmospheric pressure
d. ambient temperature.
Answer: b. hose diameter
◉ When charging a supply line at a hydrant, the fire fighter should
______.
a. check that the hydrant strap is secure
b. fully open the stem and then back it off one full turn
c. avoid standing between the hose line and the hydrant
, d. place the hose clamp before opening the hydrant.
Answer: c. avoid standing between the hose line and the hydrant
◉ What is the correct tool to tighten a hard suction hose connection?
a. rubber mallet
b. spanner
c. hose wrench
d. strap wrench.
Answer: a. rubber mallet
◉ What is the function of lugs found on couplings?
a. aid in coupling and uncoupling hose
b. help the coupling slide over obstructions
c. align the threads during coupling
d. strengthen the coupling.
Answer: a. aid in coupling and uncoupling hose
◉ What is the realistic minimum usable residual pressure from a
water distribution system for fire fighting operations?
a. 30 psi
b. 20 psi
c. 0 psi