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Chapter 14. Water Supply Exam Questions Graded A+
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Chapter 14. Water Supply Exam
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Chapter 14. Water Supply ExamFloating strainers can draft water from sources as shallow as:
Select one:
a. 12 inches (300 mm).
b. 48 inches (1 200 mm).
c. 24 inches (600 mm).
d. 36 inches (900 mm). - answerc. 24 inches (600 mm)
Isolation and control valves are usually constructed of:
Select one:
a. PVC.
b. aluminum.
c. brass.
d. plastic. - answerc. brass.
Standard three-way fire hydrants require a ___-inch (mm) valve opening.
Select one:
a. 4 (100)
b. 3 (75)
c. 5 (125)
d. 6 (150) - answerc. 5 (125)
Which of the following is a hydrant that receives water from only one direction?
Select one:
a. Dead-end hydrant
b. Unidirectional hydrant
c. Circulating hydrant
d. Limited hydrant - answera. Dead-end hydrant
Dry-barrel hydrants are designed to have water inside them at all times.
Select one:
True
False - answerF
Fire hydrant locations are generally determined by the fire department.
Select one:
True
False - answerF
Two or more primary feeders should run from the source of the water supply to high-risk
and industrial districts along separate routes.
, Select one:
True
False - answerT
A drafting operation will require a minimum of ___ inches (mm) of water above and
below the hard intake strainer.
Select one:
a. 6 (150)
b. 12 (300)
c. 24 (600)
d. 36 (900) - answerc. 24 (600)
All hydrants must be opened and closed ___ to prevent damage.
Select one:
a. partially
b. at least twice
c. slowly
d. quickly - answerc. slowly
Drafting hydrants are designed to supply at least:
Select one:
a. 250 gpm (1 000 L/min).
b. 500 gpm (2 000 L/min).
c. 750 gpm (3 000 L/min).
d. 1,000 gpm (4 000 L/min). - answerd. 1,000 gpm (4 000 L/min).
During relay pumping, which apparatus should be located at the water source?
Select one:
a. Apparatus with the largest tank
b. Apparatus with the most amount of supply hose
c. Apparatus with the greatest pumping capacity
d. Apparatus with the fastest dumping capabilities - answerc. Apparatus with the
greatest pumping capacity
Fire hydrant markings can be used to designate:
Select one:
a. distance from nearest fire department.
b. distance from the next hydrant.
c. typical water pressure.
d. flow capacity. - answerd. flow capacity.
Fire hydrant tops and discharge caps should be painted as required in:
Select one:
a. NFPA® 71.
b. NFPA® 291.
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