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Power Systems

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

 P and V
 δ and Q
 V and δ
 P and Q

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Power Systems
For distortion less line which of following relation are true

 R/L = G/C.
 R = O, G = O.
 None of above.
 R/L = C/G.

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Power Systems
A gas turbine power plant is best suited for

 Emergency.
 Peak load.
 None of these.
 Base load.

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Power Systems
Among the following which is not non conventional energy

  Geothermal.
  Tidal.
  Nuclear.
  Wind.

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Power Systems
Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of

 4 MJ/MVA
 16 MJ/MVA
 2 MJ/MVA
 8 MJ/MVA

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Power Systems
A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle?

 60°
 30°
 35°
 45°

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