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Power Systems

Power Systems
For load flow studies, What are the quantities specified at load bus are

 V and δ
 δ and Q
 P and V
 P and Q

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Power Systems
The power station that does not requier any moving part is

  Thermonic convertor.
 Solar power generation.
 Wind power generation.
 Tidal power generation.

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Power Systems
Which of the following transmission line is most practically used in load flow analysis?

 either 1 or 2
 nether 1 nor 2
 Nominal T
 Nominal ∏

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Power Systems
The power output of a nuclear power station is proportional to

 square of the rate at which fission reaction occurs.
  the rate at which fission reaction occurs.
 square root of the rate at which fission reaction occurs.
 none of above.

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Power Systems
A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage?

 82.15 kV/phase
 34.64 kV/phase
 41.075 kV/phase
 17.32 kV/phase

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Power Systems
Which of the following transformer is used in sub station for operating a protective relay?

All of these
 auto transformer
 capacitor voltage transformer
 distribution transformer

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