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Discussion :: Chemical Engineering Basics-2

  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 :

    Explanation Not Provided

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