Switchgear Protections

The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to

  • A. lubricate the contacts
  • B. insulate the contacts from switch body
  • C. extinguish the arc
  • D. all of the above
  • E. none of the above
Answer: Option C.
Explanation: 

No answer description available for this question.

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