Q.Which of the following circuit breakers take minimum time in installation?

  • AAir-blast 
  • BMinimum oil 
  • CBulk oil 
  • DSulphur hexafluoride 
Correct Answer : (D)

Sulphur hexafluoride 

Hints :

Sulphur hexafluoride SF6 circuit breakers take minimum time in installation.

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