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Power Systems

Power Systems
The insulation of modern EHV is designed based on

 corona.
 RI.
  switching voltage.
 lightning voltage.

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Power Systems
The insulator thickness on the conductor, in cables depends upon

 power factor
 voltage
 current
 reactive power

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Power Systems
Earthing switch is used for

 measuring of safety voltage
All of these
 protection of equipment from ground faults
 discharging residual energies

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Power Systems
Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ?

 X" < X' > X
 X" > X' < X
 X" > X' >X
 X" < X' < X

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Power Systems
Among the following which is not non conventional energy

  Wind.
  Tidal.
  Geothermal.
  Nuclear.

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Power Systems
In thermal power stations, economiser will

 reduce the thermal efficiency
 both 2 and 3
 reduce the heat
 increase the thermal efficiency

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MORE MCQ ON Power Systems

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