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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
Which of the following is not a method for estimating depreciation charges?

Halsey
Diminishing value method
Sinking fund method
Straight line method

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

0.95 lagging
1
0.75 lagging
0.6 lagging

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Economics of Power Generation
In two part tariff, variation in load factor will affect

Running charges
Both running and fixed charges
None of the listed here
Fixed charges

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Economics of Power Generation
The straight line method for calculating depreciation is based on the assumption that depreciation charge is

Is less in early years
Is more in early years
Is more in later years
Constant every year

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Economics of Power Generation
For the same cylinder dimensions and speed, which of the following engine will produce least power?

All of these
Petrol engine
Diesel engine
Supercharged engine

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