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Discussion :: Water Supply Engineering

  1. The period of cleaning of a slow sand filter, is usually

    2. A.
    5 to 10 days
    B.
    two weeks to three weeks
    C.
    one month to three months
    D.
    three months to six months
    E.
    one year.

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    Answer : Option C

    Explanation :

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

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