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Economics of Power Generation

Economics of Power Generation
The depreciation charges in diminishing value method are

Same in all years
Heavy in later years
Heavy in early years
Light in early years

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Economics of Power Generation
Static capacitors are rated in terms of

kWh
kW
None of the listed here
kVAR

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Economics of Power Generation
The lagging reactive power drawn by a load is zero. The power factor of the load is

1
0.75
None of the listed here
0.5

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Economics of Power Generation
For given active power and voltage, the current drawn is minimum when the value of power factor is

Unity
0.8 lag
0.75 lag
O. 8 lead

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Economics of Power Generation
________ will be least affected due to charge in supply voltage frequency.

Ceiling fan
Room heater
Electric clock
Mixer grinder

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

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

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