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Air release valves are installed at what location in a water line ?
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At high points of a pipe line
What is the lowest strength of chlorine liquid solution ?
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5 to 15 percent
What type of pipe joint is a considered inflexible and therefore is not usually installed
below ground ?
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Flanged joint
Minimum time period for retaining records lead and copper monitoring rule ?
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12 years
What is the acceptable range for water loss in a typical municipal distribution system
that has a variety of pvc and di pipe ?
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20% (80% effienciency)
A hydraulic grade line will always slope in what direction ?
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Slope downward in the direction of the water flow
Liquid chlorine contains how much percentage ? Or gas
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, 100 percent
In selecting and Evaluating a tank, storage capacity must be matched _______of the
system ?
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Peak demand
Which are the components of directing staff ?
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Motivating & communicating
Nitrate may not exceed what concentration when tested yearly for a groundwater
treatment plant ?
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10 mg/L
Wich of the following best describes the definition of controlling ?
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