MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Gas Turbines knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Choking occurs when mach number reaches ________ |
| A. | 3 |
| B. | 2 |
| C. | 1 |
| D. | 4 |
| Answer» D. 4 | |
| 2. |
When compressor operates at ________ choking takes place. |
| A. | high mass |
| B. | low mass |
| C. | high temperature |
| D. | none of the mentioned |
| Answer» B. low mass | |
| 3. |
When choke points are joined in graph representing speeds it is called as ________ |
| A. | temperature line |
| B. | choke line |
| C. | critical line |
| D. | none of the mentioned |
| Answer» C. critical line | |
| 4. |
Continuous unloader is used in _________ engine compressor. |
| A. | diesel |
| B. | gasoline |
| C. | dual |
| D. | none of the mentioned |
| Answer» B. gasoline | |
| 5. |
___________ unloader are used in stationary compressors. |
| A. | Continuous |
| B. | Variable |
| C. | Continuous & Variable |
| D. | None of the mentioned |
| Answer» B. Variable | |
| 6. |
When unloader is closed it uses _________ work. |
| A. | 30% |
| B. | 50% |
| C. | 20% |
| D. | 40% |
| Answer» B. 50% | |
| 7. |
Unloader closes 100% of the air intake. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Unloader is also called as intake valve. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Amount of air that can be sucked in by compressor is regulated by using ___________ |
| A. | check valve |
| B. | feed valve |
| C. | unloader |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 10. |
Capacity of rotary screw compressor is _______ by using unloader. |
| A. | constant |
| B. | varied |
| C. | unloader is not used for compressing |
| D. | none of the mentioned |
| Answer» B. varied | |