Power Systems
A thermal protection switch is used to provide protection against

 over voltage.
 short circuit.
  overload.
 temperature.

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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
 decrease 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

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Power Systems
The factor affecting run off are

 amount of vegetation and weather condition in the catchment area.
 rain fall pattern, shape and size of catchment area.
 the topography and nature of soil in the catchment area.
  all of above.

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