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Power Systems

Power Systems
Among the following which is not non conventional energy

  Tidal.
  Wind.
  Geothermal.
  Nuclear.

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Power Systems
The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this?

  LLG.
  LL.
  LLLG.
  LG.

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Power Systems
The most commonly used material for insulators of overhead lines is

 porcelain
 mica
 glass
 PVC

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Power Systems
Maximum power transfer capability of transmission line can be increased by

 Parallel transmission lines
 Using series capacitance
 Using bundled conductors
All of these

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Power Systems
Pin insulators are used up to

 any voltage level
 120 kV
 11 kV
 33 kV

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Power Systems
Which of the following relationships are not valid for short transmission lines

 B = C = Z
 A = D = 1
 Is = Ir
All of these

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