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Economics of Power Generation

Economics of Power Generation
The main reason for low power factor of supply statem is due to the use of

Resistive load
Induction morors
All correct
Synchronous motors

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Economics of Power Generation
For a diesel generating station the useful life is expected to be around

75 to 100 years
20 to 50 years
15 to 20 years
50 to 75 years

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

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

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Economics of Power Generation
Annual depreciation cost is calculated by

None of the listed here
Sinking fund method
Both sinking fund and straight line method
Straight line method

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Economics of Power Generation
In a 3 phase system, the line losses are

Directly proportional to cos Ф
None of the listed here
Invesely proportional tocos Ф
Inversely proportional to cos²Ф

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Economics of Power Generation
________ is invariably used for peak load

Nuclear power plant
Pumped storage plant
Steam turbine plant
None of these

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