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Chapter 14 Water Supply Practice Exam Questions and Answers Graded A+
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Chapter 14 Water Supply Practice Exam Questions
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Chapter 14 Water Supply Practice ExamQuestions
What are the pipes called that deliver water from the treatment facility to the fire
hydrants? - answerWater mains (page 527)
A lake or stream is an example of a: - answerStatic water source (page 526)
What is an appropriate unit of measure for reporting water pressure? - answerPounds
per square inch (page 537)
At the scene of a fire a pump operator uses the difference between two types of
pressure to determine how many more attack line or appliances could be operated from
the available water supply. What are the two types of pressure - answerStatic and
residual (page 539)
To which type of water source does a dry hydrant provide access? - answerA static
water source (page 546)
Which term is used to describe the properties of energy pressure, and water flow as
related to fire suppression? - answerFire hydraulics (page 537)
Friction loss is affected by three factors what is one of those? - answerHose diameter
(page 539)
What is installed on a tanker that allows it to off-load 3000 gallons of water in 1 minute?
- answerDump valve (page 548)
Mobile water supply apparatus are often called: - answerWater tenders (page 547)
What happens if a dry-barrel hydrant is opened only part way? - answerwater flows out
the drain under the hydrant, eroding the ground (page 531)
The pressure is a system when no water is flowing is called: - answerStatic pressure
(page 539)
How close must a fire engine be to a static water source in order to be able to draft
directly from it? - answerWithin twenty feet (page 544)
How should a hydrant be opened to prevent a water surge (hammer), if possible? -
answerSlowly (page 536)
, When color-coding fire hydrants, which color would the bonnet be on a hydrant flowing
1000- 1499 gpm? - answerGreen (page 541)
What What is installed at connection points where underground mains meet distributor
pipes to control the flow of water to individual fire hydrants? - answerShut-off valves
(page 530)
What does a dry hydrant enable an engine to do? - answerDraft from a static source
(page 546)
Hydrants should be checked periodically what is the minimal acceptable interval
between such checks? - answerAnnually (page 540)
According to NFPA standard 24, what is the minimum distance between the center of a
fire hydrant hose outlet and the finished grade of the ground around the hydrant? -
answerEighteen inches (page 540)
What is the recommended minimum pressure, in psi, for water coming from a hydrant? -
answer20 (page 528)
Which type of fire hydrant is designed for use when the temperatures can be expected
to fall below freezing? - answerDry-barrel (page 530)
Which feature in hydrant caps should be checked during routine inspections? -
answerGaskets (page 541)
What must be done with a dry-barrel hydrant to ensure it drains fully? - answerThe
discharge cap must be left off until it is drained (page 535)
What is the usual range of pressure, in psi, at the delivery point in a water system? -
answer20-80 (page 528)
The required size of a water main is based upon the amount of water needed for normal
consumption and: - answerFire protection needs (page 529)
Up to how many gallons per minute can a portable pump deliver? - answer500 (page
547)
When color-coding fire hydrants, which color would the bonnet be on a hydrant flowing
1500 gpm and higher? - answerLight blue (page 541)
What is another term for head pressure? - answerElevation pressure (page 540)
What is the term for an arrangement of water mains that delivers water to hydrants from
more than one direction at the same time? - answerGrid (page 529)
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