Power Systems
A moderator material should have

  small atomic mass.
None of these
 large atomic mass.
 may be any of the above.

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Power Systems
In coal fired thermal power stations, what are the electrostatic precipitators used for?

All of these
 To keep the air heaters clean
 To collect the dust particles from the flue gases
 To remove dust particles setting on the bus bar conductors in the station switch yard

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Power Systems
A CANDU reactor uses

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

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