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Discussion :: Waste Water Engineering

  1. In trickling filter, B.O.D. is reduced to

    2. A.

     30 to 40%
    B.

     40 to 60%
    C.

     60 to 80%
    D.

     80 to 90%

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    Workspace

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    Answer : Option C

    Explanation :

    Explanation Not Provided

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