MCQOPTIONS
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MCQOPTIONS
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 | |