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Discussion :: Measurements and Instrumentation

  1. For use at 50 Hz the range of scale of vibrating reed frequency meter is

    2. A.
    25 - 75 Hz
    B.
    40 - 60 Hz
    C.
    47 - 53 Hz
    D.
    42 - 58 Hz

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    Answer : Option C

    Explanation :

    Generally the frequency does not fall below 47 Hz and does not exceed 53 Hz.

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