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Economics of Power Generation

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

0.5 lagging
0.95 lagging
0.95 leading
0.5 leading

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Economics of Power Generation
Load shedding is done to

Run the equipment efficiency
Improve power factor
Repair the machine
Reduce peak demand

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Economics of Power Generation
Large capacity generators are invariably

Hydrogen cooled
Forced air cooled
Water cooled
Natural air cooled

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Economics of Power Generation
When the power factor improved, the kW capacity of alternator is

Decreased
None of the listed here
Unaffected
Increased

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Economics of Power Generation
Which of the following is not necessarily an advantage of interconnecting various power stations?

Reduction in total installed capacity
Economy in operation of plants
Increased reliability
Improved frequency of power supplied

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Economics of Power Generation
The area under load curve gives

Energy consumed
None of the listed here
Average demand
Maximum demand

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