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Economics of Power Generation

Economics of Power Generation
Power plant is expected to have the longest life.

Any of the above
Steam
Hydroelectric
Diesel

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Economics of Power Generation
For given active power and voltage, the current drawn is minimum when the value of power factor is

O. 8 lead
Unity
0.75 lag
0.8 lag

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Economics of Power Generation
Incase of ______ fuel transportation is the major problem.

hydro-electric power plants
diesel power plants
nuclear power plants
thermal power plants

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Economics of Power Generation
In which?of the following power plants the maintenance cost is usually high?

Hydro-electric power plants
Diesel engine power plants
Thermal power plants
Nuclear power plant

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Economics of Power Generation
The correct relation in the following is :

Not listed here
kVAR = kW Sin Ф
kVAR = kW tan Ф
kVAR = kW cos Ф

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Economics of Power Generation
By the use of which of the following power factor can be improved?

Synchronous compensators
Any of the listed here
Phase advancers
Static capacitors

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