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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 Q
 P and V

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Power Systems
A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV?

 0.05
 0.25
 0.02
 0.025

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Power Systems
Reflector nuclear reactor are made of

 boron.
 cast iron.
  beryllium.
 steel.

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Power Systems
A hydroelectric power station is commonly found in

 swamps.
 grasslands.
 desert areas.
  hilly areas.

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Power Systems
For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant

 Francis.
  Kaplan.
 None of above.
 Pelton.

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Power Systems
When is the ferranti effect on long overhead lines experienced?

 The line is fully loaded
 The line is lightly loaded
 The power factor is unity
 The line is heavily loaded

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