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Power Systems

Power Systems
Plant capacity factor value is

 less than 1
 1
 greater than 1
 0

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Power Systems
The internal flux linkage due to internal flux of a conductor is

All of these
 I/6*10-7 wb-T/m
 I/4*10-7 wb-T/m
 I/2*10-7 wb-T/m

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Power Systems
As the frequency of the system is increased, the charging MVAR

 decreases
None of these
 remains unaffected
 increases

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Power Systems
The only place where slip ring induction motors used in thermal power plants is

  coal handling plant.
  lubrication oil pumps.
  none of above.
  conveyors.

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Power Systems
The presence of earth in case of overhead lines

 increase inductance
 decrease capacitance
 increase capacitance
 decrease inducatance

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Power Systems
Mho relay is usually employed for protection of

 medium transmission lines only
 long transmission lines only
 short transmission lines only
 any line

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