MCQOPTIONS
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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 factors don’t cause Internal Irreversibility of a Rankine cycle? |
| A. | Throttling |
| B. | Mixing |
| C. | Fluid Friction |
| D. | Fluid flow |
| Answer» E. | |
| 2. |
Phase change at constant pressure takes place in _____________ |
| A. | Economiser |
| B. | Evaporator |
| C. | Superheater |
| D. | Air-Preheater |
| Answer» D. Air-Preheater | |
| 3. |
In Rankine Cycle, water is converted to saturated liquid in ___________ |
| A. | Evaporator |
| B. | Economizer |
| C. | Superheater |
| D. | Preheater |
| Answer» C. Superheater | |
| 4. |
Which is the most common type of Evaporator? |
| A. | Flooded Evaporator |
| B. | Plate Evaporator |
| C. | Coil Evaporator |
| D. | Brine Evaporator |
| Answer» C. Coil Evaporator | |
| 5. |
Steam Power Plants are more popular in electric power generation because ___________ |
| A. | Work output of turbine is very large than work input to the pump |
| B. | Work output of turbine is very small than work input to the pump |
| C. | Work output of turbine is equal to work input to the pump |
| D. | None of the mentioned |
| Answer» B. Work output of turbine is very small than work input to the pump | |
| 6. |
Efficiency of a Rankine Cycle is also expressed as __________ |
| A. | Capacity Ratio |
| B. | Heat Rate |
| C. | Heat Ratio |
| D. | Steam Rate |
| Answer» C. Heat Ratio | |
| 7. |
In a Rankine Cycle, heat output is obtained from ___________ |
| A. | Condenser |
| B. | Boiler |
| C. | Turbine |
| D. | Pump |
| Answer» B. Boiler | |
| 8. |
In a Rankine Cycle, heat input is provided to ___________ |
| A. | Condenser |
| B. | Pump |
| C. | Turbine |
| D. | Boiler |
| Answer» E. | |
| 9. |
The net work done in a Rankine Cycle is the difference of _____________ |
| A. | Condenser work & Boiler work |
| B. | Boiler work & Pump work |
| C. | Turbine Work & Pump work |
| D. | Condenser work & Pump work |
| Answer» D. Condenser work & Pump work | |
| 10. |
For analytical purposes, the Rankine Cycle is assumed to be in _____________ |
| A. | Unsteady flow operation |
| B. | Turbulent flow operation |
| C. | Steady flow operation |
| D. | Laminar flow operation |
| Answer» D. Laminar flow operation | |
| 11. |
Ideal ‘Rankine Cycle’ is a __________ process. |
| A. | Reversible |
| B. | Irreversible |
| C. | Reversible & Irreversible |
| D. | None of the mentioned |
| Answer» B. Irreversible | |
| 12. |
EFFICIENCY_OF_A_RANKINE_CYCLE_IS_ALSO_EXPRESSED_AS__________?$ |
| A. | Capacity Ratio |
| B. | Heat Rate |
| C. | Heat Ratio |
| D. | Steam Rate |
| Answer» C. Heat Ratio | |
| 13. |
The most common type of Evaporator is?$ |
| A. | Flooded Evaporator |
| B. | Plate Evaporator |
| C. | Coil Evaporator |
| D. | Brine Evaporator |
| Answer» C. Coil Evaporator | |
| 14. |
Steam_Power_Plants_are_more_popular_in_electric_power_generation_because$ |
| A. | Work output of turbine is very large than work input to the pump |
| B. | Work output of turbine is very small than work input to the pump |
| C. | Work output of turbine is equal to work input to the pump |
| D. | None of the mentioned. |
| Answer» B. Work output of turbine is very small than work input to the pump | |
| 15. |
Which of these factors don’t cause Internal Irreversibility of a Rankine cycle?$ |
| A. | Throttling |
| B. | Mixing |
| C. | Fluid Friction |
| D. | Fluid flow |
| Answer» E. | |
| 16. |
Phase change at constant pressure takes place in? |
| A. | Economiser |
| B. | Evaporator |
| C. | Superheater |
| D. | Air-Preheater |
| Answer» D. Air-Preheater | |
| 17. |
If Evaporator & Condenser pressures are p & q, the intercooler pressure P is given as? |
| A. | P=pq |
| B. | P=p/q |
| C. | P=(pq)<sup>(1/2)</sup> |
| D. | P=p<sup>2</sup>q |
| Answer» D. P=p<sup>2</sup>q | |
| 18. |
In_Rankine_Cycle,_water_is_converted_to_saturated_liquid_in____________ |
| A. | Evaporator |
| B. | Economizer |
| C. | Superheater |
| D. | Preheater |
| Answer» C. Superheater | |
| 19. |
Which of these is sometimes neglected? |
| A. | Turbine work |
| B. | Pump work |
| C. | Condenser heat |
| D. | Boiler heat |
| Answer» C. Condenser heat | |
| 20. |
Steam Rate is the reciprocal of _________ |
| A. | Net work done |
| B. | Heat extracted from condenser |
| C. | Heat given to reciprocal |
| D. | Work done by turbine. |
| Answer» B. Heat extracted from condenser | |
| 21. |
The water that flows from the Pump is? |
| A. | Compressible |
| B. | Incompressible |
| C. | Unsteady |
| D. | None of the mentioned |
| Answer» C. Unsteady | |
| 22. |
In a Rankine Cycle, heat output is obtained from? |
| A. | Condenser |
| B. | Boiler |
| C. | Turbine |
| D. | Pump |
| Answer» B. Boiler | |
| 23. |
In a Rankine Cycle, heat input is provided to? |
| A. | Condenser |
| B. | Pump |
| C. | Turbine |
| D. | Boiler |
| Answer» E. | |
| 24. |
The net work done in a Rankine Cycle is the difference of? |
| A. | Condenser work & Boiler work |
| B. | Boiler work & Pump work |
| C. | Turbine Work & Pump work |
| D. | Condenser work & Pump work |
| Answer» D. Condenser work & Pump work | |
| 25. |
For analytical purposes, the Rankine Cycle is assumed to be in? |
| A. | Unsteady flow operation |
| B. | Turbulent flow operation |
| C. | Steady flow operation |
| D. | Laminar flow operation |
| Answer» D. Laminar flow operation | |
| 26. |
Ideal ‘Rankine Cycle’ is a __________ process. |
| A. | Reversible |
| B. | Irreversible |
| C. | Both of the mentioned |
| D. | None of the mentioned |
| Answer» B. Irreversible | |