Ch.14 Water Supply Systems
Questions with Accurate Answers
A dry hydrant provides access to a:
A. cistern or well.
B. municipal water system.
C. static water source.
D. portable water tank. correct answer static water source
A Pitot gauge is used to calculate:
A. static pressure.
B. net pump pressure.
C. volume of flowing water.
D.pump discharge pressure. correct answer Volume of flowing water
According to the NFPA, what is the minimum distance between the center of a
fire hydrant outlet and the finished grade of the ground around the hydrant?
A. 30" (75 cm)
B. 12" (30 cm)
C. 24" (60 cm)
D. 18" (45 cm) correct answer 18
An object in motion possesses which kind of energy as a result of that motion?
A. Potential
B. Kinetic
, C. Inertial
D. Entropic correct answer kinetic
Another term for head pressure is __________ pressure.
A. flow
B. residual
C. elevation
D. static correct answer elevation
Friction loss is __________ proportional to the length of a hose.
A. directly
B. indirectly
C. variably
D. inversely correct answer Directly
How can you determine that a dry-barrel hydrant is still draining?
A. Place a hand over an outlet and feel for suction
B. Place a hand on the stem nut and feel for vibration
C. Look for a continuing trickle from the discharge outlet
D. Listen carefully for a hissing sound correct answer Place a hand over an outlet
and feel for suction
How many gallons per minute can a tanker shuttle operation deliver without
interruption?
A. A few thousand
Questions with Accurate Answers
A dry hydrant provides access to a:
A. cistern or well.
B. municipal water system.
C. static water source.
D. portable water tank. correct answer static water source
A Pitot gauge is used to calculate:
A. static pressure.
B. net pump pressure.
C. volume of flowing water.
D.pump discharge pressure. correct answer Volume of flowing water
According to the NFPA, what is the minimum distance between the center of a
fire hydrant outlet and the finished grade of the ground around the hydrant?
A. 30" (75 cm)
B. 12" (30 cm)
C. 24" (60 cm)
D. 18" (45 cm) correct answer 18
An object in motion possesses which kind of energy as a result of that motion?
A. Potential
B. Kinetic
, C. Inertial
D. Entropic correct answer kinetic
Another term for head pressure is __________ pressure.
A. flow
B. residual
C. elevation
D. static correct answer elevation
Friction loss is __________ proportional to the length of a hose.
A. directly
B. indirectly
C. variably
D. inversely correct answer Directly
How can you determine that a dry-barrel hydrant is still draining?
A. Place a hand over an outlet and feel for suction
B. Place a hand on the stem nut and feel for vibration
C. Look for a continuing trickle from the discharge outlet
D. Listen carefully for a hissing sound correct answer Place a hand over an outlet
and feel for suction
How many gallons per minute can a tanker shuttle operation deliver without
interruption?
A. A few thousand
