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Discussion :: Water Supply Engineering

  1. A slow sand filter is cleaned if its filter head is higher than

    2. A.
    10 cm to 20 cm
    B.
    20 cm to 40 cm
    C.
    40 cm to 70 cm
    D.
    70 cm to 120 cm
    E.
    120 cm to 150 cm.

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    Answer : Option D

    Explanation :

    No answer description available for this question. Let us discuss.

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