MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Power Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Supercritical pressure boiler scan produce steam at the rate of _________ |
| A. | less than 1,500 kg/hr |
| B. | less than 340,000 kg/hr |
| C. | less than 80,000 kg/hr |
| D. | upto 1,000,000 kg/hr |
| Answer» E. | |
| 2. |
Economisers are necessary to use for pressure of 70 kg/cm2 or more. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Supercritical pressure boiler scan produce steam at the rate of ________? |
| A. | less than 1,500 kg/hr |
| B. | less than 340,000 kg/hr |
| C. | less than 80,000 kg/hr |
| D. | upto 1,000,000 kg/hr |
| Answer» E. | |
| 4. |
Economisers are necessary to use for pressure of 70 kg/cm2 or more. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
For increasing the thermal efficiency of thermal power plant pressure in condenser should be: |
| A. | Reduced upto 0.04 kg/cm<sup>3</sup> |
| B. | Kept above 2.45 kg/cm<sup>3</sup> |
| C. | As high as boiler pressure |
| D. | Same as atmospheric pressure |
| Answer» B. Kept above 2.45 kg/cm<sup>3</sup> | |
| 6. |
In supercritical pressure steam power plant temperature of steam is __________ |
| A. | 480°C |
| B. | 240°C |
| C. | 600°C |
| D. | 150°C |
| Answer» D. 150¬¨¬®‚Äö√†√ªC | |
| 7. |
Overall efficiency of thermal power plant is equal to ___________ |
| A. | Thermal efficiency |
| B. | Generation efficiency |
| C. | Multiplication of thermal and generation efficiency |
| D. | Ratio of thermal and generation efficiency |
| Answer» D. Ratio of thermal and generation efficiency | |
| 8. |
What is the effect of increasing steam temperature of thermal power plant on its thermal efficiency? |
| A. | Increases linearly |
| B. | Decreases |
| C. | It does not depends on temperature |
| D. | Increases nonlinearly |
| Answer» B. Decreases | |
| 9. |
What is the effect of increasing steam pressure on efficiency of steam power plant? |
| A. | Increases linearly |
| B. | Increases nonlinearly |
| C. | Decreases linearly |
| D. | Does not changes |
| Answer» C. Decreases linearly | |
| 10. |
Which part of thermal power plant causes maximum energy losses? |
| A. | Boiler |
| B. | Alternator |
| C. | Condenser |
| D. | Ash and unburnt carbon |
| Answer» D. Ash and unburnt carbon | |