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Economics of Power Generation

Economics of Power Generation
Power plant is expected to have the longest life.

Hydroelectric
Steam
Diesel
Any of the above

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Economics of Power Generation
The annual deposit is _____ in sinking fund method as compared to straight line method.

The same
Smaller
Greater
None of the listed here

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Economics of Power Generation
For given active power and voltage, the current drawn is minimum when the value of power factor is

Unity
0.8 lag
0.75 lag
O. 8 lead

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Economics of Power Generation
Load factor of a power station is defined as

average load x maximum demand
(average load x maximum demand)172
average load/maximum demand
maximum demand/average load

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Economics of Power Generation
________ will be least affected due to charge in supply voltage frequency.

Room heater
Electric clock
Ceiling fan
Mixer grinder

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Economics of Power Generation
Load factor for heavy industries may be taken as

70 to 80%
10 to 20 %
25 to 40%
50 to 70%

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