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Discussion :: UPSC Civil Service Exam Questions

  1. A municipal sewage has BOD5 of 200 mg/l. It is proposed to treat it and dispose off into a marine environment. For what minimum efficiency should the sewage treatment plant be designed ?

    2. A.
    85%
    B.
    60%
    C.
    50%
    D.
    33.67%

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    Answer : Option A

    Explanation :

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

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