Electrical Engineering · Switchgear and Protection
In a bulk oil circuit breaker, what are the two main functions performed by the transformer oil?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Arc extinguishing and mechanical lubrication
- 2Arc detection and current amplification
- 3Arc quenching and insulation between live parts and earth✓
- 4Cooling and electrical conduction
Correct answer
Arc quenching and insulation between live parts and earth
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