A. Net pump pressure
B. Static pressure.
C. Pump discharge pressure.
D. Volume of flowing water. - answerD. Volume of flowing water.
The pipes that deliver water from the treatment facility for distribution are __________.
A. Trunks
B. Secondaries
C. Distributors
D. Mains - answerD. Mains
What is the minimum recommended pressure for water coming from a fire hydrant?
A. 40 psi
B. 30 psi
C. 50 psi
D. 20 psi - answerD. 20 psi
The pipes that deliver water to users and hydrants on individual streets are:
A. Secondaries
B. Distributors
C. Cross Mains
D. Service Lines - answerB. Distributors
Which pipe pattern supplies water to hydrants from more than one direction?
A. Parallel
B. Duplex
C. Grid
D. Engineered - answerC. Grid
Where are dry-barrel hydrants typically located?
A. Dedicated fire protection water systems.
B. Cold climates.
C. Areas subject to frequent vandalism.
, D. Static water supplies. - answerB. Cold Climates
Which is the term for the large discharge opening on a fire hydrant?
A. Main
B. Steamer
C. Deluge
D. Primary - answerB. Steamer
How can you determine that a dry-barrel hydrant is still draining?
A. Place a hand on the stem unit and feel for vibration.
B. Listen carefully for a hissing sound.
C. Look for a continuing trickle from the discharge outlet.
D. Place a hand over an outlet and feel for suction. - answerD. Place a hand over an
outlet and feel for suction.
The NFPA recommends color-coding hydrants to indicate:
A. Available flow.
B. The water source.
C. The most recent flow test.
D. Available pressure. - answerA. Available flow.
Fire hydrants should be inspected at least once every _____ months?
A. 6
B. 18
C. 24
D. 12 - answerC. 12
An object in motion possesses which kind of energy as a result of that motion?
A. Entropic
B. Kinetic
C. Inertial
D. Potential - answerB. Kinetic
When water is motionless, which kind of energy does it have?
A. Absolute
B. Potential
C. Residual
D. Kinetic - answerB. Potential
Pressure in a water distribution system during average consumption is _____ pressure.
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