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Q. |
What is the major drawback of using SF6 circuit breakers? |
A. | Sealing problems of the gas. |
B. | Ingress of moisture in the gas system – dangerous. |
C. | Deterioration of SF6 gas with time. |
D. | Both (a) and (b) |
Answer» D. Both (a) and (b) |
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Testing and Commissioning of Electrical Equipment’s