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Discussion :: Waste Water Engineering

  1. If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is

    2. A.

     50 ppm
    B.

     100 ppm
    C.

     150 ppm
    D.

     200 ppm

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    Answer : Option D

    Explanation :

    Explanation Not Provided

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