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Power Systems

Power Systems
If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be

 50.
 15.
 10.
 25.

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Power Systems
Skin effective is more in case of

 same in both cases
None of these
 communication lines
 power lines

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Power Systems
Advantages of gauss siedel method is/are

 calculation time for each iteration is less
All of these
 applicable for large power system network
 number of iterations are less

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Power Systems
Among the following which is not non conventional energy

  Nuclear.
  Wind.
  Tidal.
  Geothermal.

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Power Systems
Nuclear reactors usually employ

 both of A and B.
 fusion.
  fission.
 none of above.

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

  economizer.
  superheater.
  ash handling point.
  air preheater.

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