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Power Systems

Power Systems
The term self GMD is used to calculate

 inductance
 capacitance
 both 1 and 2
 resistance

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Power Systems
Which of the following effects are associated with transmission line

 corona effect
 ferranti effect
 skin effect
All of these

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Power Systems
If sag in an overhead line increase, tension in the line

 decrease
None of these
 increase
 remains same

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Power Systems
To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine.

  superheater.
  ash handling point.
  air preheater.
  economizer.

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Power Systems
For distortion less line which of following relation are true

 None of above.
 R = O, G = O.
 R/L = G/C.
 R/L = C/G.

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Power Systems
The ratio of reset to pick up current for an induction cup relay is approximately

 1.35.
 0.75.
 1.0.
  0.99.

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