Q. What is the normal pressure at which the SF6 gas is maintained in the closed position of the breaker? (Solved)
1. 2 kg / cm2
2. 2.5 kg /cm2
3. 2.8 kg / cm2
4. 3 kg / cm2
- c. 2.8 kg / cm2
1. 2 kg / cm2
2. 2.5 kg /cm2
3. 2.8 kg / cm2
4. 3 kg / cm2