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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Power Plant knowledge and support exam preparation. Choose a topic below to get started.
1. |
THE_REHEAT_FACTOR_IS_THE_RATIO_OF_THE?$ |
A. | total useful heat drop to the total isentropic heat drop |
B. | cumulative heat drop to the isentropic heat drop |
C. | isentropic heat drop to the heat supplied |
D. | none of the mentioned |
Answer» C. isentropic heat drop to the heat supplied | |
2. |
Thermal_equilibrium_means_that_the_flow_of_steam_is$ |
A. | hyperbolic |
B. | isothermal |
C. | isentropic |
D. | polytropic |
Answer» D. polytropic | |
3. |
A regenerative steam cycle render? |
A. | decreased work output per unit mass of steam |
B. | increased thermal efficiency |
C. | increased work output per unit mass of steam |
D. | decreased work output per unit mass of steam as well as increased thermal efficiency |
Answer» E. | |
4. |
A duct which decreases the velocity of fluid & causes a corresponding increase in pressure is called? |
A. | nozzle |
B. | diffuser |
C. | jet |
D. | orifice |
Answer» C. jet | |
5. |
A ______ is a duct through which velocity of a fluid increases at the expense of pressure. |
A. | orifice |
B. | nozzle |
C. | jet |
D. | diffuser |
Answer» C. jet | |
6. |
The overall steam turbine generator arrangement of a power plant is designated as ________ compound on the basis of shaft orientation. |
A. | tandem |
B. | cross |
C. | both of the mentioned |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
7. |
Depending on whether the back pressure is below or equal to the atmospheric pressure, how many types of turbines do exist? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |
8. |
A steam turbine is basically an assemblage of? |
A. | nozzle & condenser |
B. | blades & condenser |
C. | nozzle & blades |
D. | nozzle & fans |
Answer» D. nozzle & fans | |
9. |
The energy conversion occurring in a steam turbine is a ______ step process. |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |
10. |
A steam turbine converts the output from a steam generator into? |
A. | Shaft work |
B. | Turbine work |
C. | Mechanical work |
D. | None of the mentioned |
Answer» B. Turbine work | |