Q. What is the main purpose of oil in oil circuit breakers? (Solved)
1. Provide insulation
2. Quenching ar(C)
3. Provide cooling of contacts.
4. None of the above
- b. Quenching ar(C)
1. Provide insulation
2. Quenching ar(C)
3. Provide cooling of contacts.
4. None of the above