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Economics of Power Generation

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

5 kVAR
15kVAR
20 kVAR
10 kVAR

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Economics of Power Generation
Diversity factor has dirrect effect on the

Both fixed and running cost of unit generated
None of the listed here
Running cost of unit generated
Fixed cost of unit generated

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Economics of Power Generation
Generating capacity connected to the busbars and ready to take load when switched on is known as

Cold reserve
Firm power
Hot reserve
Spinning reserve

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

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

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Economics of Power Generation
An ideal value of power factor is

0.75
1
0.8
0.5

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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.

Cold reserve
Firm power
Hot reserve
Spinning reserve

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