Term Definition
minimum required pressure 35 psi
during fire flow conditions
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True False
Correct definition
20 psi
2 of 535
Definition Term
Should be done when elevated Throttling Discharge Valve
storage is not available to
approximate system flow
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True False
3 of 535
Definition Term
water istn mixed, stagnant what is the purpose of an
water, prone to freezing in cold auxiliary valve on a fire hydrant?
climates. non potable
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True False
Correct definition
what is the primary feature of water in an emergency
storage tank?
4 of 535
Definition Term
establish hydrant on main common way to establish drain
connection to distribution connection to elevated stroage
tower
,system, hydrant may be drained
or maintenance performed
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True False
5 of 535
Term Definition
how many valves should be two, or preferably three
used when a main intersects a
grid
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True False
6 of 535
Term Definition
orifice meters constriction in the pipeline,
accurate for certain range of
flows, little maintenance, little
friction loss.
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True False
Correct definition
thin plate secured to pipe by flanges, inexpensive,
generates high head loss
7 of 535
Term Definition
pressure head (ft) a map that provides a diagram
of the overall distribution system
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True False
Correct definition
equal to pressure psi times 2.31
8 of 535
Term Definition
non transient, non community lead, DBPs and microbiological
water system safety
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