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Railways NTPC (Technical Ability) Theory of Machines and Machine Design Question Bank Theory of Machines

  • question_answer
                           For a spring controlled governor to be stable.  controlling force (F) is related to the radius (r)  equation:                                   

    A) \[F=ar-b\]                     

    B) \[F=ar+b\]

    C) \[F=ar\]            

    D) \[F=\text{a/r}+b\]

    Correct Answer: A

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