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Economics of Power Generation

Economics of Power Generation
Arc and induction furnaces operate on

Very Low lagging p. f.
Very high leading p. f.
None of the listed here
Very low leading p. f.

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Economics of Power Generation
Approximate estimation of power demand can be made by

Statistical methods
All of the listed here
Load survey method
Mathematical method

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

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

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Economics of Power Generation
When the load factor of a power station increases, the units generated

Remains same
Are increased
None of the listed here
Are decreased

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Economics of Power Generation
Load shedding is done to

Repair the machine
Run the equipment efficiency
Reduce peak demand
Improve power factor

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Economics of Power Generation
________ is invariably used for peak load

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

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