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Electrical Engineering MCQ Question & Answer in PDF Download

Q.

The preferred circuit breaker to be installed for extra-high voltage AC system is

  • ABulk oil type CB
  • BAir-blast CB 
  • CVacuum CB
  • DSulphur hexafluoride  CB
Correct Answer : (D)

Sulphur hexafluoride  CB
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Electrical Engineering MCQ Question & Answer in PDF Download
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