Power Systems
Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable?

 Oil CB.
 Air blast CB.
  Vacuum CB.
 Any of these.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A CANDU reactor uses

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

ANSWER DOWNLOAD EXAMIANS APP