Power Systems
Mho relay is used for the protection of

  long transmission lines.
 short length lines.
 no length criterion.
 medium length lines.

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Power Systems
Which of the following statements is true? Corona loss increases with

 increase in conductor size and decrease in supply frequency
 increase in conductor size and increase in supply frequency
 decrease in conductor size and increase in supply frequency
 decrease in conductor size and decrease in supply frequency

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