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Power Systems

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

 both 1 and 2
 pump storage
 nuclear
 run off river

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Power Systems
As the frequency of the system is increased, the charging MVAR

None of these
 decreases
 increases
 remains unaffected

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Power Systems
Specified quantities of slack bus are

 P and Q
 P and V
 P and δ
 V and δ

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Power Systems
A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation?

 400 MW
 478 MW
 456 MW
 386 MW

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Power Systems
Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching

  air blast.
  vacuum.
  SF6.
  oil.

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Power Systems
Ferranti effect will not occur in which of the following transmission lines

 long transmission lines
 short transmission lines
 medium transmission lines
All of these

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