Power Systems
The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be

 0.0060
 0.0030
 0.60
 0.30

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
In a pressurized water reactor

  both B and C.
 heavy water is used as both coolant and moderator.
 water is used at high pressure so that it is available is liquid from at about 280° C.
 the coolant water boils in the reactor core.

ANSWER DOWNLOAD EXAMIANS APP