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Power Systems

Power Systems
If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is

 50 MJ
 500 MJ
 10 MJ
 5 MJ

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Power Systems
For accurate load flow calculations on large power systems, the best method is

 G-S method
All of these
 Decoupled method
 N-R method

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Power Systems
The value of inductance used for compensation of arcing grounds is

 1/3ω²C
 3ω²C
 3/ω²C
 ω²C/3

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Power Systems
The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be

 1 + j 2 A
 1 + j 4 A
 -2 - j 1 A
 5 + j 7 A

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Power Systems
A CT is connected in ___________________ with the line.

  both A and B.
  not connected.
  series.
  across.

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Power Systems
Generation of of one watt needs about ______________ fission per second

 3.1 × 107.
  3.1 × 1010.
 3.1.
 3.1 × 106.

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