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Discussion :: Water Supply Engineering

  1. Efficiency of removing bacterias from raw water by a slow sand filter, is

    2. A.
    80% to 81%
    B.
    85% to 86%
    C.
    90% to 97%
    D.
    98% to 99%.

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    Answer : Option D

    Explanation :

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

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