MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Natural air cooling method can t be adopted because of some unavoidable effects, beyond _______ |
| A. | 1.5 MVA |
| B. | 5 MVA |
| C. | 15 MVA |
| D. | 50 MVA |
| Answer» B. 5 MVA | |
| 2. |
What should be ideal volatility and ideal viscosity of the transformer oil? |
| A. | Low, low |
| B. | High, high |
| C. | Low, high |
| D. | High, low |
| Answer» B. High, high | |
| 3. |
Which of the following listed component will see and perform according to changes in volume of transformer cooling oil due to variation of atmospheric temperature during day and night? |
| A. | Conservator |
| B. | Breather |
| C. | Bushings |
| D. | Buchholz relay |
| Answer» B. Breather | |
| 4. |
Buchholz s relay will give warning and protection against ___________ |
| A. | Electrical fault inside the transformer itself |
| B. | Electrical fault outside the transformer in outgoing feeder |
| C. | For both outside and inside faults |
| D. | Cannot be determined |
| Answer» B. Electrical fault outside the transformer in outgoing feeder | |
| 5. |
Gas is liberated due to temperature limit and due to dissociation of transformer oil after ___________ |
| A. | 50 C |
| B. | 80 C |
| C. | 100 C |
| D. | 150 C |
| Answer» E. | |
| 6. |
On which of the following transformer, Buchholz s relay can be fixed on? |
| A. | Auto-transformers |
| B. | Air-cooled transformers |
| C. | Welding transformers |
| D. | Oil cooled transformers |
| Answer» E. | |