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Mr. Dubey • 100.64K Points
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Q. A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when

  • (A) a is +ve and b = 0
  • (B) a = 0 and b is +ve
  • (C) a is +ve and b is -ve
  • (D) a is +ve and b is also +ve
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