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Power Systems

Power Systems
Mho relay is used for protection of

  medium lines.
  none of these.
  short lines.
  long lines.

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Power Systems
Which of the following is not a secondary nuclear fuel

 Pu239.
 None of above.
  U235.
 U233.

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Power Systems
The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be

  0.83.
 1.3.
 0.25.
 0.44.

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Power Systems
With reference to hydrometer station, the graphical representation of the discharge as function of time is known as

  Hydro-graph.
 Monograph.
 Load duration curve.
 Hectograph.

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Power Systems
Which of the following statements is/are true regarding HVDC?

 HVDC can utilize earth for its return path
 Corona loss is very much reduced in the dc line
 There is no skin effect in dc line
All of these

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Power Systems
When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding?

  Solid.
  Reactance.
  Resistance.
  Peterson coil.

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