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Economics of Power Generation

Economics of Power Generation
The area under a load curve gives

energy consumed
average demand
None of these
maximum demand

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Economics of Power Generation
In a 3 phase system, the line losses are

None of the listed here
Inversely proportional to cos²Ф
Invesely proportional tocos Ф
Directly proportional to cos Ф

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Economics of Power Generation
______ is the reserved generating capacity available for service under emergency conditions which is not kept in operation but but in working order.

Spinning reserve
Firm power
Hot reserve
Cold reserve

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Economics of Power Generation
The fixed cost of energy generated

Indepemdent of max demand and units generated
None of the listed here
Depends on units generated
Depends on maximum demand

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Economics of Power Generation
Low power factor is usually not due to

Induction motors
Incandescent lamp
Fluorescent tubes
Arc lamps

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

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

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