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LEVEL 1 WATER DISTRIBUTION PRACTICE TEST MORE QUESTIONS WITH COMPLETE ANSWERS

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Level 1 water distribution practice test

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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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