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.

Hints :

The lower pairs are _________ pairs



For an involute gear, the ratio of base circle radius and pitch circle radius is equal to

Join The Discussion