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This section includes 4 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. |
A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as? |
A. | pass out turbine |
B. | impulse turbine |
C. | low pressure turbine |
D. | high pressure turbine |
Answer» B. impulse turbine | |
2. |
In order to reduce the rotor speed of an impulse turbine, the method employed is ____________ |
A. | pressure compounding |
B. | velocity compounding |
C. | pressure-velocity compounding |
D. | all of the mentioned |
Answer» E. | |
3. |
A nozzle is said to be a divergent nozzle ____________ |
A. | when the cross-section of the nozzle increases continuously from entrance to exit |
B. | when the cross-section of the nozzle decreases continuously from entrance to exit |
C. | when the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit |
D. | none of the mentioned |
Answer» B. when the cross-section of the nozzle decreases continuously from entrance to exit | |
4. |
The ratio of the work done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called? |
A. | nozzle efficiency |
B. | stage efficiency |
C. | mechanical efficiency |
D. | blading efficiency |
Answer» C. mechanical efficiency | |