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

  • question_answer
    Which of the following methods can be used to determine the damping of machine element?
    1. Logarithmic method   
    2. Band-width method
    3.  Rayleigh method       
    4. Holzer method,
    Select the correct answer using the codes given below:
    Codes:

    A) 1 and 3            

    B) 1 and 2

    C) 3 and 4            

    D) 1, 3 and 4

    Correct Answer: B

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