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Power Systems

Power Systems
Mho relay is used for protection of

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

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Power Systems
The insulation of the modern EHV lines is designed based on

 R × I.
 corona.
  the switch voltage.
 the lighting voltage.

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Power Systems
For transmission line which one of the following relation is true?

 AD - BC = 1
 AD + BC = 0
 AD - BC = -1
 AD - BC = 0

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Power Systems
Pump storage schemes are used to improve

 the power factor.
 the load factor.
  the plant capacity factor as well as the load factor of the power system.
 the diversity factor.

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Power Systems
Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors

 Beryllium.
 Water.
  Heavy water.
 Graphite.

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Power Systems
Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching?

 Oil CB.
 Air blast CB.
  Vacuum CB.
 SF6 CB.

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