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

  • question_answer
    A Hartnell governor has its controlling force F given by \[F=p+qr,\] where r is the radius of the balls and p and q are constants. The governor becomes isochronous when:

    A) p = 0 and q is positive

    B) p is positive and q = 0

    C) p is negative and q is positive

    D) p is positive and q is also positive

    Correct Answer: A

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