Power Systems
A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be

 57.5 MW.
 52 MW.
 53 MW.
  51.61 MW.

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

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

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