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Discussion :: UPSC Civil Service Exam Questions

  1. What type of noise can be abated by providing lining on walls and ceiling with sound absorbing material?

  2. A.
    Source noise
    B.
    Reflection noise
    C.
    Structural noise
    D.
    Direct air-borne noise

    View Answer

    Workspace

    Answer : Option B

    Explanation :

    No answer description available for this question. Let us discuss.


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