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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 | |