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

  • question_answer
    Consider the following methods:
    1. Energy method
    2. Equilibrium method
    3. Rayleigh's method.
    Which of these methods can be used for determining the natural frequency of the free vibrations?

    A) 1 and 2            

    B) 1, 2 and 3

    C) 1 and 3            

    D) 2 and 3

    Correct Answer: B

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