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Railways NTPC (Technical Ability) Vibration Analysis Question Bank Vibration Analysis

  • question_answer
    Whirling speed of shaft is the speed at which:

    A) Shaft tends to vibrate in longitudinal direction

    B) Torsional vibrations occur

    C) Shaft tends to vibrate vigorously in transverse direction

    D) Combination of transverse and longitudinal vibration occurs.

    Correct Answer: C

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