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Power Systems

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

  Liquid.
  Hydrogen.
  Water.
  Air.

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Power Systems
The value of diversity factor is

 0
 greater than 1
 1
 less than 1

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Power Systems
A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system?

 14.7 mA.
  14.76 A.
 1.476 A.
 1 A.

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Power Systems
Which of following are the fertile materials

 U233 and Pu239.
  U238 and Th232.
 U238 and Th239.
 U238 and Pu239.

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Power Systems
Length of short transmission line is up to

 80 km
 150 km
 40 km
 any of the above

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Power Systems
A thermal protection relay provides protection against what?

 Short circuit
 Temperature
 any of the above
 Over load

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