Railways Technical Ability Vibration Analysis Question Bank Vibration Analysis

  • question_answer For lightly damped heavy rotor systems, resonance occurs when the forcing co is equal to: Where \[{{\omega }_{cr}}\] is the critical speed.

    A) \[2\,\,{{\omega }_{cr}}\]           

    B) \[\sqrt{2}\,\,{{\omega }_{cr}}\]

    C) \[{{\omega }_{cr}}\]                             

    D) \[\frac{1}{2}\,\,{{\omega }_{cr}}\]

    Correct Answer: C


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