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Power Systems

Power Systems
Galvanised steel is generally used as

 stray wire.
All of these
 structural components.
 earth wire.

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Power Systems
For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is

 2.0 kV / μs.
  9.01 kV / μs.
 10.01 kV / μs.
 12.2 kV / μs.

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Power Systems
Which of the following method is used for changing power factor from leading to lagging

 series capacitor
 shunt capacitor
 shunt reactor
 any of the above

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Power Systems
Earthing switch is used for

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

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Power Systems
The value of diversity factor is

 1
 greater than 1
 0
 less than 1

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Power Systems
When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding?

  Resistance.
  Reactance.
  Solid.
  Peterson coil.

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