Q.

In a minimum oil circuit breaker the oil is used 

  • ATo act as circuit breaking medium only
  • BFor circuit breaking and providing insulation
  • CFor providing insulation only
  • DFor none of the above purposes 
Correct Answer : (A)

To act as circuit breaking medium only

Hints :

In a minimum oil circuit breaker the oil is used To act as circuit breaking medium only.

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