Q. Which of the following circuit breakers is used for the railway electrification? (Solved)
1. Air blast circuit breaker
2. SF6 circuit breaker
3. Bulk oil circuit breaker
4. Minimum oil circuit breaker
- a. Air blast circuit breaker
1. Air blast circuit breaker
2. SF6 circuit breaker
3. Bulk oil circuit breaker
4. Minimum oil circuit breaker