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Economics of Power Generation

Economics of Power Generation
Which plant can never have 100 percent load factor?

Base load plant
Peak load plant
Hydroelectric plant
Nuclear power plant

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Economics of Power Generation
Large capacity generators are invariably

Natural air cooled
Forced air cooled
Water cooled
Hydrogen cooled

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Economics of Power Generation
The depreciation charges in diminishing value method are

Heavy in early years
Heavy in later years
Same in all years
Light in early years

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

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

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

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

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