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Power Systems

Power Systems
For large plants of capacity for more than 15 MW, what type of cooling is used

  Hydrogen.
  Liquid.
  Water.
  Air.

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Power Systems
Equal area criterion gives the information regarding

 stability region
 relative stability
 swing curves
 absolute stability

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Power Systems
Corona is accompanied by

 power loss and interference
All of these
 hissing sound
 violet visible light

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Power Systems
String chart is drawn between

 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis
 T on Y-axis and S and T on on X-axis
 both 1 and 2
 nether 1 nor 2

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

 3d
 d
 2d
 5d

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Power Systems
Suspension type insulators are used for voltage beyond

 230 V
 11 kV
 33 kV
 440 V

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