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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
The fixed cost of energy generated

Indepemdent of max demand and units generated
Depends on units generated
None of the listed here
Depends on maximum demand

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Economics of Power Generation
The drawback of diminishing value method for calculating depreciation is that depreciation charges

None of the listed here
Are small in early years
Are independent of rate of interest
Are high in later years

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Economics of Power Generation
The depreciation of equipment is

More in early years
None of the listed here
Same every year
Less in early years

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Economics of Power Generation
Which of the following is the disadvantage due to low power factor ?

Poor voltage regulation
High cost of equipment for a given load
All of these
Increased transmission losses

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

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

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