MCQOPTIONS
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MCQOPTIONS
| 1. |
A Buchholz relay is used for |
| A. | protection of transformer against all internal faults. |
| B. | protection of transformer against all external faults. |
| C. | protection of transformer against both internal and external faults. |
| D. | protection of induction motors |
| Answer» B. protection of transformer against all external faults. | |