Power Systems
If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments?

 25 to 35 kV
 33 to 50 kV
 31.35 to 34.65 kV
 any voltage above 33 kV

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Power Systems
The draft tube is provided to

 reduce the effect of water hammer.
 raise the water surface of the stream to create an artificial head.
  increase the acting head on the water wheel.
None of these

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