Railways Technical Ability Vibration Analysis Question Bank Vibration Analysis

  • question_answer The transmitted force through a mass-spring damper system will be greater than that transmitted through rigid supports for all values of-damping factors, if the frequency ratio \[\left( \frac{\omega }{{{\omega }_{n}}} \right)\] is:

    A) More than \[\sqrt{2}\]     

    B) less than \[\sqrt{2}\]

    C) Equal to one                 

    D) less than one

    Correct Answer: B

    Solution :

    TR >1 or \[\beta <\sqrt{2}\]

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