railway RRB JE (CBT I + CBT II) Mock Test 2024 Power Systems Circuit Breakers

​Which of the following is a correct arrangement according to the dielectric strength of different circuit breakers?

1
Air circuit breaker > SF6 circuit breaker > Oil circuit breaker
2
Air circuit breaker > Oil circuit breaker > SF6 circuit breaker
3
SF6 circuit breaker > Air circuit breaker > Vacuum circuit breaker
4
SF6 circuit breaker > Vacuum circuit breaker > Air circuit breaker
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