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3. Arcing contacts in a circuit breaker is usually made of: [SSC JE EE 2021]
2. Breather is provided in a transformer to [SSC JE EE 2018]
1. The operation of distance relay depends upon [SSC JE EE 2018]
5. Buchholz relay is operated by [SSC JE EE 2018]
4. Which type of circuit breaker has a higher rating [SSC JE EE 2018]
3. The function of circuit breaker is [SSC JE EE 2018]
2. Buchholz relay cannot be used on [SSC JE EE 2010]
1. The lighting arrester is connected [SSC JE EE 2010]
5. Resistance switching is normally employed in [SSC JE EE 2010]
4. During arc extinction SF₆ [SSC JE EE 2010]
