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Discussion :: Environmental Engineering

  1. Maximum permissible residual chlorine in treated water should be __________ mg/litre.

    2. A.
    0.001 to 0.01
    B.
    02 to 0.3
    C.
    2 to 3
    D.
    5 to 10

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    Answer : Option B

    Explanation :

    No answer description available for this question.

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