MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 26 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. |
Which of these shouldn’t be there in the pipelines of working fluid for achieving the conditions of Carnot Cycle? |
| A. | Heat Transfer |
| B. | Insulation |
| C. | Lubrication |
| D. | Zero Friction |
| Answer» B. Insulation | |
| 2. |
The elements of a Carnot heat engine are ____________ |
| A. | Heat Exchangers, Turbine, Pump |
| B. | Heat Exchangers, Turbine, Evaporator |
| C. | Heat Exchangers, Turbine, Condenser |
| D. | Heat Exchangers, Turbine, Superheater |
| Answer» B. Heat Exchangers, Turbine, Evaporator | |
| 3. |
Heat input & output is obtained in ____________ |
| A. | 2 reversible adiabatics |
| B. | 2 reversible isotherms |
| C. | 1 reversible isotherm & 1 reversible adiabatic |
| D. | 2 reversible isotherms & 1 reversible adiabatic |
| Answer» C. 1 reversible isotherm & 1 reversible adiabatic | |
| 4. |
Work input and work outputs are given & obtained in ____________ |
| A. | 2 reversible adiabatics |
| B. | 2 reversible isotherms |
| C. | 1 reversible isotherm & 1 reversible adiabatic |
| D. | 2 reversible isotherms & 1 reversible adiabatic |
| Answer» B. 2 reversible isotherms | |
| 5. |
Which of these constitute a Carnot Cycle? |
| A. | 2 reversible isotherms & 2 reversible adiabatics |
| B. | 1 reversible isotherms & 2 reversible adiabatics |
| C. | 2 reversible isotherms & 1 reversible adiabatics |
| D. | 1 reversible isotherms & 2 reversible adiabatics |
| Answer» B. 1 reversible isotherms & 2 reversible adiabatics | |
| 6. |
Which of the following diagrams are used while analyzing the effect of superheat & Inlet Pressure on mean temperature of heat addition? |
| A. | P-V diagram |
| B. | T-S diagram |
| C. | P-T diagram |
| D. | V-T diagram |
| Answer» C. P-T diagram | |
| 7. |
A Hydraulic Ram Pump is based on the principle of ____________ |
| A. | Wind Hammer |
| B. | Water hammer |
| C. | Wind gushing |
| D. | None of the mentioned |
| Answer» C. Wind gushing | |
| 8. |
Pelton Wheel Turbine is suited for ____________ |
| A. | high heads |
| B. | low heads |
| C. | medium heads |
| D. | zero heads |
| Answer» B. low heads | |
| 9. |
Most of the turbine expansion takes place in ____________ |
| A. | Liquid Region |
| B. | Solid Region |
| C. | Vapour Region |
| D. | Plastic Region |
| Answer» D. Plastic Region | |
| 10. |
Mean Temperature of Heat Addition is the ratio of ____________ |
| A. | Difference of temperatures to difference of entropies |
| B. | Difference of enthalpies to difference of entropies |
| C. | Difference of temperatures to difference of enthalpies |
| D. | Difference of entropies to difference of enthalpies |
| Answer» C. Difference of temperatures to difference of enthalpies | |
| 11. |
A_HYDRAULIC_RAM_PUMP_IS_BASED_ON_THE_PRINCIPLE_OF??$ |
| A. | Wind Hammer |
| B. | Water hammer |
| C. | Wind gushing |
| D. | None of the mentioned |
| Answer» C. Wind gushing | |
| 12. |
Which of these constitute a Carnot Cycle?$ |
| A. | 2 reversible isotherms & 2 reversible adiabatics |
| B. | 1 reversible isotherms & 2 reversible adiabatics |
| C. | 2 reversible isotherms & 1 reversible adiabatics |
| D. | 1 reversible isotherms & 2 reversible adiabatics |
| Answer» B. 1 reversible isotherms & 2 reversible adiabatics | |
| 13. |
Which of the following diagrams are used while analyzing the effect of superheat & Inlet Pressure on mean temperature of heat addition?$ |
| A. | P-V diagram |
| B. | T-S diagram |
| C. | P-T diagram |
| D. | V-T diagram |
| Answer» C. P-T diagram | |
| 14. |
Which_of_the_following_diagrams_are_used_while_analyzing_the_effect_of_superheat_&_Inlet_Pressure_on_mean_temperature_of_heat_addition?$ |
| A. | P-V diagram |
| B. | T-S diagram |
| C. | P-T diagram |
| D. | V-T diagram |
| Answer» C. P-T diagram | |
| 15. |
Which of these shouldn’t be there in the pipelines of working fluid for achieving the conditions of Carnot Cycle?$ |
| A. | Heat Transfer |
| B. | Insulation |
| C. | Lubrication |
| D. | Zero Friction |
| Answer» B. Insulation | |
| 16. |
The elements of a Carnot heat engine are? |
| A. | Heat Exchangers, Turbine, Pump |
| B. | Heat Exchangers, Turbine, Evaporator |
| C. | Heat Exchangers, Turbine, Condenser |
| D. | Heat Exchangers, Turbine, Superheater |
| Answer» B. Heat Exchangers, Turbine, Evaporator | |
| 17. |
Heat input & output is obtained in? |
| A. | 2 reversible adiabatics |
| B. | 2 reversible isotherms |
| C. | 1 reversible isotherm & 1 reversible adiabatic |
| D. | 2 reversible isotherms & 1 reversible adiabatic |
| Answer» C. 1 reversible isotherm & 1 reversible adiabatic | |
| 18. |
Work input and work outputs are given & obtained in? |
| A. | 2 reversible adiabatics |
| B. | 2 reversible isotherms |
| C. | 1 reversible isotherm & 1 reversible adiabatic |
| D. | 2 reversible isotherms & 1 reversible adiabatic |
| Answer» B. 2 reversible isotherms | |
| 19. |
Pelton Wheel Turbine is suited for? |
| A. | high heads |
| B. | low heads |
| C. | medium heads |
| D. | zero heads |
| Answer» B. low heads | |
| 20. |
Most of the turbine expansion takes place in? |
| A. | Liquid Region |
| B. | Solid Region |
| C. | Vapour Region |
| D. | Plastic Region |
| Answer» D. Plastic Region | |
| 21. |
The maximum temperature of steam that can be used is fixed from metallurgical considerations. This temperature limit is called? |
| A. | Mining Limit |
| B. | Metallurgical Limit |
| C. | Metallic Limit |
| D. | None of the mentioned |
| Answer» C. Metallic Limit | |
| 22. |
PWR stands for? |
| A. | Pressurized Water Relator |
| B. | Pressurized Water Reheater |
| C. | Pressurized Water Reactor |
| D. | Pressurized Water Refractory |
| Answer» D. Pressurized Water Refractory | |
| 23. |
What is the effect of the increase in the superheat at constant pressure? |
| A. | Decreases cycle efficiency |
| B. | Increases mean temperature of heat addition |
| C. | Decreases mean temperature of heat addition |
| D. | None of the mentioned |
| Answer» C. Decreases mean temperature of heat addition | |
| 24. |
The saturation pressure corresponding to the minimum practicable temperature of heat rejection is a function of? |
| A. | Temperature of heat rejection |
| B. | Temperature of surroundings |
| C. | Mean temperature of heat addition |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 25. |
If T2 is the temperature of heat rejection, Tml is the mean temperature of heat addition, the efficiency n of a Rankine Cycle is given by which of the expressions? |
| A. | n = 1-(T2/Tml) |
| B. | n = 1+(T2/Tml) |
| C. | n = (T2/Tml) |
| D. | n = 1/(T2/Tml) |
| Answer» B. n = 1+(T2/Tml) | |
| 26. |
Mean Temperature of Heat Addition is the ratio of? |
| A. | Difference of temperatures to difference of entropies |
| B. | Difference of enthalpies to difference of entropies |
| C. | Difference of temperatures to difference of enthalpies |
| D. | Difference of entropies to difference of enthalpies. |
| Answer» C. Difference of temperatures to difference of enthalpies | |