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Economics of Power Generation

Economics of Power Generation
Alternators and transformers are rated in

kW
kVAR
kVA
None of the listed here

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

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

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Economics of Power Generation
An over excites synchronous motor on no load is called

Induction motor
Alternator
Synchronous condenser
Universal motor

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

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

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Economics of Power Generation
In India production and distribution of electrical energy is confined to

None of these
public sector
joint sector
government sectors
private sector

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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

15kVAR
5 kVAR
10 kVAR
20 kVAR

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