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Power Systems

Power Systems
Mho relay is used for protection of

  long lines.
  short lines.
  none of these.
  medium lines.

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Power Systems
Counter poise is used for

 proper discharging of lighting surges
 reduce losses
 less surge impedance
 more surge impedance

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Power Systems
Example of base load stations are

  thermal.
  hydro.
  both A and B.
  gas turbine.

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

 shunt capacitor
 series capacitor
 any of the above
 shunt reactor

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Power Systems
If the conductor diameter decreases, inductance of the line,

None of these
 remains unaffected
 increases
 decreases

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Power Systems
In which of the following transmission lines capacitance effect is negligible?

 medium transmission lines
 both 1 and 3
 long transmission lines
 shoart transmission lines

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