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Economics of Power Generation

Economics of Power Generation
When the power factor is improved, the lagging kVAR drawn from the supply will

Increase
None of the listed here
Decreases
Remains same

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Economics of Power Generation
The most economical power factor for a consumer is generally

0.75 lagging
0.95 lagging
0.6 lagging
1

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Economics of Power Generation
A load draws a power of 10 kW at a power factor of 0.707 lagging. The lagging kVAR drawn from the supply will be

10 kVAR
20 kVAR
5 kVAR
15kVAR

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Economics of Power Generation
When the plant restors to load shedding it can be conclucted that

Plant is under repairs
Daily load factor is unity
Peak demand is more than the installed capacity
Diversity factor is zero

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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 in working order,

Firm power
Hot reserve
Spinning reserve
Cold reserve

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Economics of Power Generation
The area under load curve gives

None of the listed here
Energy consumed
Maximum demand
Average demand

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