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Power Systems

Power Systems
Merze price current scheme protection is used in

  transformer.
  alternator.
  bus bars.
  both A and B.

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Power Systems
The insulation of modern EHV is designed based on

  switching voltage.
 lightning voltage.
 corona.
 RI.

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Power Systems
For load flow studies, What are the quantities specified at load bus are

 P and Q
 δ and Q
 V and δ
 P and V

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Power Systems
A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of

 82%
 78%
 76%
 80%

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Power Systems
Electrostatic precipitators in thermal power plants are used for

 control flow rate
 removal of ash from flue gas
All of these
 remove moisture from the cole

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Power Systems
The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is

  6 A.
 8 A.
 7 A.
 10 A.

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