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Economics of Power Generation

Economics of Power Generation
In order to improve the power factor in case of 3 phase loads, the capacitors are connected in

None of the listed here
Delta
Star or delta
Star

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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

10 kVAR
20 kVAR
5 kVAR
15kVAR

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Economics of Power Generation
An over excited synchronous motor on noload is known as

generator
induction motor
alternator
synchronous condenser

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Economics of Power Generation
________ is invariably used for peak load

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

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Economics of Power Generation
Is the reserved generating capacity available for service under emergency conditions which is not kept in operation but in working order,

Cold reserve
Firm power
Hot reserve
Spinning reserve

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Economics of Power Generation
Which of the following is an advantage of static capacitor for power factor improvement?

Low losses
All of the listed here
Little maintenance cost
Ease in installation

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