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Discussion :: Environmental Engineering

  1. Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels.

    2. A.
    3
    B.
    30
    C.
    70
    D.
    100

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    Workspace

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    Answer : Option A

    Explanation :

    No answer description available for this question.

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