MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For high reliability of transformer action, how many fundamental checks should be done? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | Can’t tell |
| Answer» C. 4 | |
| 2. |
What is the advantage of gas-monitor? |
| A. | Time delay |
| B. | Alarms at presence of a particular gas |
| C. | Less efficiency |
| D. | Requires high power |
| Answer» C. Less efficiency | |
| 3. |
Transformers used generally don’t belong to type “construct and forget.” |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
FOR_HIGH_RELIABILITY_OF_TRANSFORMER_ACTION,_HOW_MANY_FUNDAMENTAL_CHECKS_SHOULD_BE_DONE??$ |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | Can’t tell |
| Answer» C. 4 | |
| 5. |
WHAT_IS_THE_ADVANTAGE_OF_GAS-MONITOR??$ |
| A. | Time delay |
| B. | Alarms at presence of a particular gas |
| C. | Less efficiency |
| D. | Requires high power |
| Answer» C. Less efficiency | |
| 6. |
How many places of arcing can possible? |
| A. | 4 places |
| B. | 5 places |
| C. | 8 places |
| D. | 2 places |
| Answer» B. 5 places | |
| 7. |
Dissolved gas contents are need to be observed because _____________________ |
| A. | dissolved oxygen |
| B. | dissolved gases from outside air |
| C. | dissolved gases from arcs occurring in the transformer |
| D. | all dissolved gases |
| Answer» D. all dissolved gases | |
| 8. |
Stored oil should be checked continuously for _________________ |
| A. | impurities in the oil |
| B. | oil levels |
| C. | oil moisture content |
| D. | oil reactions |
| Answer» D. oil reactions | |
| 9. |
Which of the following is the reason relating to the maintenance while operation? |
| A. | To obtain the maximum practicable operating efficiency |
| B. | To obtain optimum life |
| C. | To minimise the risk of premature and unexpected failure |
| D. | Maximum efficiency, life, minimum temperature |
| Answer» E. | |
| 10. |
Transformers used generally don’t belong to type “construct and forget.”$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
When tripping of the transformer from the main circuit is required? |
| A. | Local overheating |
| B. | Short-circuited core laminations |
| C. | Core-bolt insulation failure |
| D. | Puncture of bushings |
| Answer» E. | |
| 12. |
Ingress of air into the oil tank can be avoided by using ___________ |
| A. | relays |
| B. | plastic coatings |
| C. | metal coatings |
| D. | fuses |
| Answer» B. plastic coatings | |
| 13. |
In how many types transformers can be used with relay protection system? |
| A. | 5 |
| B. | 10 |
| C. | 2 |
| D. | Many |
| Answer» D. Many | |