MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Gas Turbine knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
When equal pressure ratio are maintained at two stages the work output _______ |
| A. | increases |
| B. | decreases |
| C. | optimum |
| D. | none of the mentioned |
| Answer» B. decreases | |
| 2. |
By two stage compression work output from turbine is _______ |
| A. | decreased |
| B. | increased |
| C. | remains constant |
| D. | none |
| Answer» C. remains constant | |
| 3. |
Isothermal compression requires minimum work. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Generally effectiveness of regenerators are ___________ |
| A. | 0.95 |
| B. | 0.66 |
| C. | 0.77 |
| D. | 0.85 |
| Answer» E. | |
| 5. |
BY_TWO_STAGE_COMPRESSION_WORK_OUTPUT_FROM_TURBINE_IS________?$ |
| A. | decreased |
| B. | increased |
| C. | remains constant |
| D. | none |
| Answer» C. remains constant | |
| 6. |
When_equal_pressure_ratio_are_maintained_at_two_stages_the_work_output________$ |
| A. | increases |
| B. | decreases |
| C. | optimum |
| D. | none of the mentioned |
| Answer» B. decreases | |
| 7. |
Isothermal compression requires minimum work? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Isoentropic compression requires maximum work. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Compression can be taken place by _____________ |
| A. | isoentropic compression |
| B. | isothermal compresion |
| C. | two stage compression process |
| D. | all of the mentioned |
| Answer» E. | |
| 10. |
Generally effectiveness of regenerators are ___________ |
| A. | 0.95 |
| B. | 0.66 |
| C. | 0.77 |
| D. | 0.85 |
| Answer» E. | |
| 11. |
Effectiveness can be defined as _________ |
| A. | none of the mentioned |
| B. | inverse of the efficiency |
| C. | ratio of heat rate to the mass entering |
| D. | ratio of Actual heat transferred to the maximum heat transferred |
| Answer» E. | |
| 12. |
Inlet temperature of regenerator is __________ |
| A. | same as of the inlet exhausted gases |
| B. | more than the inlet exhausted gases |
| C. | less than the inlet exhaust gases |
| D. | none of the mentioned |
| Answer» B. more than the inlet exhausted gases | |
| 13. |
When recuperator is used thermal efficiency is ______ |
| A. | decreased |
| B. | increased |
| C. | doesn’t change |
| D. | none of the mentioned |
| Answer» C. doesn‚Äö√Ñ√∂‚àö√ë‚àö¬•t change | |
| 14. |
Regenerator is also called as ___________ |
| A. | Intercooler |
| B. | Reheater |
| C. | Recuperator |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |