Power Generation Mcqs
This set of Electrical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “ Power Generation ”. These questions are chosen from a collection of most authoritative and best reference books on Electrical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Power Generation comprehensively.
17. Demand factor is defined as___________?
Average load/maximum load.
Maximum demand/connected load
Connected load/maximum demand.
Average load x maximum load
Answer & Solution
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18. In thermal power plant, heat from the flue gases is utilized in___________?
Super heater
Condenser
Economizer
Chimney
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19. Which of the following power plant has highest Depreciation charges?
Thermal plant
Diesel plant
Hydroelectric plant
All have same
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20. Which of the following power plant has least fuel transportation______________?
Nuclear power plants
Diesel generating plants
Thermal power plants
Steam power stations
Answer & Solution
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21. Annual operating expenditure of a power plant consists of_________?
Fixed charges
Semi-fixed charges
Running charges
All of the above
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22. Which of the following load is responsible for lower power factor of supply system__________?
Induction motors
Resistive loads
Synchronous Motors
All of the above
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23. Load factor of a power station is defined as____________?
Maximum demand/average load
Average load x maximum demand
Average load/maximum demand
None of the above
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24. Load curve is useful in deciding the__________?
A. operating schedule of generating units
Sizes of generating units
Total installed capacity of the plant
All of the above
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25. One kilowatt hour is equal to_________?
532 k cal.
735 k cal.
746 k cal.
860 k cal.
Answer & Solution
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26. If the load factor of a power station is high then its cost of generation will be_______?
High.
Low.
Remain same.
Depend upon plant type.
27. At low value of power factor, the cost of generation of a power station will be____________?
High
Low
Remain same
None of the above
28. Compounding of steam turbine is done for_______________?
Reducing the work done
Increasing the rotor speed
Reducing the rotor speed
Balancing the turbine
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29. The value of the reheat factor is of the order of_____________?
0.8 to 1.0
1.0 to 1.05
1.1 to 1.5
Above 1.5
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30. Reheat factor is the ratio of_____________?
Isentropic heat drop to useful heat drop
Adiabatic heat drop to isentropic heat drop
Cumulative actual enthalpy drop for the stages to total is isentropic enthalpy heat drop
Answer & Solution
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