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Discussion :: Waste Water Engineering

  1. If the flame of a miner's safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains

    2. A.

    Hydrogen sulphide
    B.

    Carbon dioxide
    C.

    Methane
    D.
    Oxygen
    E.
    None of these.

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    No answer description available for this question.

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