2024 latest questions and answers
A dry hydrant provides access to a:
Select one:
A. static water source.
B. portable water tank.
C. municipal water system.
D. cistern or well. Correct Answers: A. static water source.
An object in motion possesses which kind of energy as a result of that motion?
Select one:
A. Entropic
B. Inertial
C. Kinetic
D. Potential Correct Answers: C. Kinetic
Fire fighters may need to hold on to the while filling a self-expanding portable tank.
Select one:
A. collar
B. rope
C. hose
D. frame Correct Answers: A. collar
How close must a fire engine get to a static water source to be able to draft directly from it through
hard suction hose?
Select one:
A. A distance equal to the total length of the available hard suction hose minus 10 ft
B. 10 ft (3 m)
C. 20 ft (6 m)
D. 30 ft (9 m) Correct Answers: C. 20 ft (6 m)
How many gallons per minute can a tanker shuttle operation deliver without interruption?
Select one:
A. A few thousand
B. A few hundred
C. Zero
D. Several hundred Correct Answers: D. Several hundred
In general, mobile water supply apparatus (tankers) carry of water.
Select one:
A. 1000 or fewer gal (3785 L or fewer)
B. 2000 to 5000 gal (7570 to 18,927 L)
C. 1000 to 3500 gal (3785 to 13,249 L)
D. 3000 to 6000 gal (11,356 to 22,712 L) Correct Answers: C. 1000 to 3500 gal (3785 to 13,249 L)
Pressure in a water distribution system during average consumption is pressure.
Select one:
,A. mean
, B. residual
C. static
D. normal operating Correct Answers: D. normal operating
What is the maximum capacity of typical portable water tanks?
Select one:
A. 5000 gal (18,927 L)
B. 1500 gal (5678 L)
C. 3500 gal (13,249 L)
D. 2000 gal (7570 L) Correct Answers: A. 5000 gal (18,927 L)
What is the realistic minimum usable residual pressure from a water distribution system for firefighting
operations?
Select one:
A. 20 psi (138 kPa)
B. 40 psi (276 kPa)
C. 0 psi (0 kPa)
D. 30 psi (207 kPa) Correct Answers: A. 20 psi (138 kPa)
When water is motionless, which kind of energy does it have?
Select one:
A. Residual
B. Kinetic
C. Potential
D. Absolute Correct Answers: C. Potential
A jet siphon is used for which application?
Select one:
A. Transferring water between portable tanks
B. Priming a dry pump
C. Expediting discharge from a mobile water supply apparatus
D. Exhausting air from hard suction Correct Answers: A. Transferring water between portable tanks
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?
Select one:
A. 18" (45 cm)
B. 30" (75 cm)
C. 24" (60 cm)
D. 12" (30 cm) Correct Answers: A. 18" (45 cm)
Another term for head pressure is pressure.
Select one:
A. residual
B. elevation
C. flow
D. static Correct Answers: B. elevation
Friction loss is proportional to the length of a hose.
Select one: