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.

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17.
Demand factor is defined as___________?

Average load/maximum load.

Maximum demand/connected load

Connected load/maximum demand.

Average load x maximum load

18.
In thermal power plant, heat from the flue gases is utilized in___________?

Super heater

Condenser

Economizer

Chimney

19.
Which of the following power plant has highest Depreciation charges?

Thermal plant

Diesel plant

Hydroelectric plant

All have same

20.
Which of the following power plant has least fuel transportation______________?

Nuclear power plants

Diesel generating plants

Thermal power plants

Steam power stations

21.
Annual operating expenditure of a power plant consists of_________?

Fixed charges

Semi-fixed charges

Running charges

All of the above

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

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

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

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

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

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

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