MCQOPTIONS
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MCQOPTIONS
This section includes 10 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 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 | |
| 6. |
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 | |
| 7. |
Pelton Wheel Turbine is suited for ____________ |
| A. | high heads |
| B. | low heads |
| C. | medium heads |
| D. | zero heads |
| Answer» B. low heads | |
| 8. |
Most of the turbine expansion takes place in ____________ |
| A. | Liquid Region |
| B. | Solid Region |
| C. | Vapour Region |
| D. | Plastic Region |
| Answer» D. Plastic Region | |
| 9. |
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-(T<sub>2</sub>/T<sub>ml</sub>) |
| B. | n = 1+(T<sub>2</sub>/T<sub>ml</sub>) |
| C. | n = (T<sub>2</sub>/T<sub>ml</sub>) |
| D. | n = 1/(T<sub>2</sub>/T<sub>ml</sub>) |
| Answer» B. n = 1+(T<sub>2</sub>/T<sub>ml</sub>) | |
| 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 | |