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Power Systems

Power Systems
Transmission line parameters of the short transmission line are

 1,Z,0,1
 1,0,Y,1
 1,Z,Y,1
 Z,0,Y,1

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Power Systems
When a transformer is loaded, the secondary terminal voltage gains. That means power factor is

 lagging.
 unity.
  leading.
 zero.

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Power Systems
Which of the following represents the sag(S) of a transmission line?

 S = wl²/8T
 S = wl²/16T
 S = wl²/2T
 S = wl²/4T

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Power Systems
Calorific value of solid fuel is expressed as

  KCal / gm.
  KCal / lt.
  Cal / lt.
  Cal / gm.

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Power Systems
A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor?

 2d
 3d
 d
 5d

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Power Systems
In which power plant, the thermal efficiency is quite low

  Diesel power plant.
  Nuclear power plant.
  Hydro power plant.
  Steam power plant.

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