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Introduction to Water Distribution Systems Questions Graded A+
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Introduction to Water Distribution Systems
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Introduction to Water DistributionSystems
In private water supply systems, water is drawn from _____. - answer a well
To help prevent tooth decay, public water distribution systems add _____. - answer
fluoride
A homeowner is having a well installed in an area where the water table is 30 feet below
the surface. The
type of well installed will most likely be dug or _____. - answer driven
More gallons per minute can be pumped from a well that is _____. - answer deeper
To dissolve carbon dioxide and to oxidize iron and manganese, water treatment
systems use _____. - answer aerators
After water is pumped from a river or lake to a water treatment plant, the first step of
treatment is _____. - answer aeration
To protect against corrosion and oxidation, galvanized pipe is electroplated with a
coating of _____. - answer zinc
Water meters are usually installed by _____. - answer a city or county employee
Any reversed flow of used or nonportable water into the potable water distribution
system is called _____. - answerback flow
The flow of water in a water distribution system is regulated by a ______. - answer
valve
A water supply line that a plumber is installing requires the close control of flow at all
times. To ensure
maximum control, the plumber should install a _____. - answer globe valve
The type of valve used in piping systems with extremely low backpressure is a _____. -
answer ball-check value
The _____ should be installed so that it bypasses the water softener. - answer hose
bibb
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