MCQOPTIONS
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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. |
When the cross-section of a nozzle increases continuously from entrance to exit, it is called a ____________ |
| A. | convergent-divergent nozzle |
| B. | divergent nozzle |
| C. | convergent nozzle |
| D. | none of the mentioned |
| Answer» C. convergent nozzle | |
| 2. |
The Parsons’ reaction turbine has ____________ |
| A. | only moving blades |
| B. | only fixed blades |
| C. | fixed and moving blades of different shape |
| D. | identical fixed and moving blades |
| Answer» E. | |
| 3. |
A turbine is said to have an axial discharge when the steam leaves the blade tip at __________ to the direction of the blade motion. |
| A. | 90° |
| B. | 60° |
| C. | 270° |
| D. | 180° |
| Answer» C. 270° | |
| 4. |
The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop ____________ |
| A. | increases |
| B. | decreases |
| C. | is unpredictable |
| D. | remains same |
| Answer» C. is unpredictable | |
| 5. |
When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be ____________ |
| A. | overdamping |
| B. | underdamping |
| C. | chocked |
| D. | none of the mentioned |
| Answer» C. chocked | |