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Power Systems

Power Systems
Plant capacity factor value is

 1
 less than 1
 0
 greater than 1

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

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

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Power Systems
Mho relay is usually employed for protection of

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

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Power Systems
A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is

  1.088 pu.
 1.1 pu.
 none of these.
 1.116 pu.

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Power Systems
Installation of capacitors at suitable locations and of optimum size in a distribution system results in

All of these
 reduction of KVA rating of distribution transformers
 improved voltage regulation
 reduction in distribution power loss

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Power Systems
The shape of the disc of an induction disc relay is

  circular.
  none of these.
  spiral.
  elliptical.

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