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Economics of Power Generation

Economics of Power Generation
The area under load curve gives

Energy consumed
Maximum demand
None of the listed here
Average demand

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Economics of Power Generation
Annual depreciation of the plant it proportional to the earning capacity of the plant vide

straight line depreciation
None of these
reducing balances depreciation
sinking fund depreciation

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Economics of Power Generation
A load drwas active power(P), apparent power(S) and reactive power (Q) from the line. The power factor of the load is

S/P
P/Q
Q/P
P/S

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Economics of Power Generation
In order to improve the power factor in case of 3 phase loads, the capacitors are connected in

Star
Star or delta
Delta
None of the listed here

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

Arc lamps
Induction motors
Fluorescent tubes
Incandescent lamp

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Economics of Power Generation
When the demand of consumer is not met by a power plant, it will resort to which of the following?

Efficient plant operation
Load shedding
Power factor improvement at the generators
Penalising high load consumers by increasing the charges for electricity

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