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Economics of Power Generation

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

Ceiling fan
Mixer grinder
Room heater
Electric clock

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Economics of Power Generation
The correct relation in the following is :

Not listed here
kVAR = kW cos Ф
kVAR = kW Sin Ф
kVAR = kW tan Ф

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Economics of Power Generation
The smaller the lagging reactive power drawn by the circuit

The smaller is the p. f
The higher is the p. f.
The higher is the active power
None of the listed here

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Economics of Power Generation
Load curve helps in deciding

all of the listed here
sizes of the generating units
operating schedule of generating units
total installed capacity of the plant

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

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

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Economics of Power Generation
If C is the capacitance per phase for delta connected capacitor bank, then capacitance per phase for star connected the capacitor bank is

3C
C/3
C/√3
√3C

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