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  1. As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

    2. A.
    110
    B.
    85
    C.
    60
    D.
    45

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    No answer description available for this question.

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