MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 5 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 diagram efficiency is the ratio of ____________ |
| A. | work done on the blades to the energy supplied to the blades |
| B. | energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam |
| C. | work done on the blades per kg of steam to the total energy supplied per stage per kg of steam |
| D. | none of the mentioned |
| Answer» B. energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam | |
| 2. |
Parson s reaction turbine is a __________ reaction turbine. |
| A. | 40% |
| B. | 50% |
| C. | 60% |
| D. | 70% |
| Answer» C. 60% | |
| 3. |
The impulse turbine rotor efficiency will have a maximum value of 0.5 cos2 , where is the nozzle exit flow angle, if the ____________ |
| A. | blades are equiangular |
| B. | blade velocity coefficient is unity |
| C. | blade solidity is 0.65 |
| D. | blades are equiangular and frictionless |
| Answer» E. | |
| 4. |
Parson s turbine is a ____________ |
| A. | simple impulse turbine |
| B. | impulse-reaction turbine |
| C. | simple reaction turbine |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 5. |
The difference in supersaturated temperature and saturation temperature at that pressure is called ____________ |
| A. | degree of super saturation |
| B. | degree of superheat |
| C. | degree of undercooling |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |