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Power Systems

Power Systems
The value of inductance used for compensation of arcing grounds is

 1/3ω²C
 3/ω²C
 3ω²C
 ω²C/3

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Power Systems
Which cooling is preferred for large turbine generator

  None of these.
  Hydrogen cooling.
  Oxygen cooling.
  Nitrogen cooling.

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Power Systems
Isolator in sub station is open under ------------- condition?

 any of the above
 full load
 short circuit
 no load

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Power Systems
Ships are usually supplied power by

 None of above.
 Hydraulic turbine.
  Diesel engine.
 Steam accumulator.

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Power Systems
In thermal plant most of the energy is wasted in

 condenser
 turbines
 boiler
 ESP

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Power Systems
Ferranti effect will not occur in which of the following transmission lines

 long transmission lines
 short transmission lines
All of these
 medium transmission lines

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