

McqMate
Q. |
Why is the resistance switching used in a air blast circuit breaker? |
A. | Reduce the magnitude of fault current. |
B. | Control the CB operating time. |
C. | Damp out the fast transient. |
D. | Change the fault current power factor. |
Answer» C. Damp out the fast transient. |
View all MCQs in
Testing and Commissioning of Electrical Equipment’sNo comments yet