

McqMate
Q. |
The current zero interruption, in oil and air blast circuit breakers, is achieved by |
A. | lengthening of the gap |
B. | cooling and blast effect |
C. | both (A) and (B) |
D. | deionizing the oil with forced air |
Answer» C. both (A) and (B) |
View all MCQs in
Testing and Commissioning of Electrical Equipment’sNo comments yet