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Water Supply Engineering Quiz | Water Supply Engineering Short Questions and Answers

Questions
41 Corrosion of well pipes may not be reduced by
A reducing the draw down and the pumping rate
B reducing the flow velocity
C using thicker pipes
D using screens having larger area of openings

Answer: using screens having larger area of openings
42 In distribution pipes, drain valves are provided at
A lower point
B higher point
C junction points
D any where

Answer: lower point
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43 A high velocity of wash water is required for
A rapid gravity filter with strainers
B rapid gravity filter without strainers
C slow sand filter with strainers
D slow sand filter without strainers

Answer: rapid gravity filter without strainers
44 The maximum permissible nitrites in public water supplies, is
A 0.5 P.P.M.
B 1.0. P.P.M.
C 1.5 P.P.M.
D Nil

Answer: Nil

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