Q.

A watt's governor can work satisfactorily at speeds from

  • A60 to 80 r.p.m.
  • B80 to 100 r.p.m.
  • C100 to 200 r.p.m.
  • D200 to 300 r.p.m.
Correct Answer : (A)

60 to 80 r.p.m.

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