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Power Systems

Power Systems
Specified quantities of slack bus are

 V and δ
 P and δ
 P and V
 P and Q

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Power Systems
Which of the following materials is/are used as moderators?

 heavy water
 beryllium
 graphite
All of these

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Power Systems
In a three-phase system, when the loads are perfectly balanced, the neutral current is

  one - third of maximum.
  two - thirds of maximum.
  one - third of minimum.
  zero.

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Power Systems
In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by

 Acceleration factor
 Blocking factor
 Lagrange multiplier
 Gauss constant

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Power Systems
Which of the following plants is/are base load plants

 nuclear
 both 1 and 2
 run off river
 pump storage

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Power Systems
Mho relay is used for the protection of

  long transmission lines.
 medium length lines.
 short length lines.
 no length criterion.

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