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

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

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Power Systems
An hydro-graph indicates

 the discharge at any time during the period under consideration.
All of these
 the average run off during the period.
 the maximum and minimum run off during the period.

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