Power Systems
The area under a flow duration curve represents

 maximum rate of run-off during the period.
 total of units of energy available.
 total power available.
  total quantity of run-off during that period.

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Power Systems
The draft tube is provided to

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

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Power Systems
A CANDU reactor uses

 highly enriched uranium as fuel and water as moderator and coolant.
 enriched uranium as fuel and ordinary water as moderator and cooler.
  natural uranium as fuel and heavy water as moderator and coolant.
 only fertile materials.

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