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In a Wilson-Hartnell governor , the balls are connected by :

  • A.one spring
  • B.two springs in series
  • C.two springs in parallel
  • D.four springs

Answer: C

The balls are connected by two springs in parallel.

The Wilson-Hartnell governor is a radial, spring-loaded governor. Its two balls are tied together by main springs placed on either side of the spindle; both springs act on the balls at the same time, sharing the load, which is a parallel arrangement. An auxiliary spring acting through a lever is used to adjust the equilibrium speed while the governor is running.

A single spring, springs in series or four springs do not describe this arrangement.

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