Civil Engineering :: Water Supply Engineering
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The intake opening is generally covered by a screen to prevent entry of debris etc. and its level is kept
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In rapid sand filters the ratio of length and diameter of the lateral, should not be greater than
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The maximum permissible hardness for public supplies is
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Plain chlorination is used for water
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Water may contain
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Pick up the correct statement from the following :
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For controlling algae, the most commonly used chemical, is
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The head against which the motor works for lifting water, is
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