Power Systems
Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation?

 single unit can be used as both capacitance and inductor by adjusting the excitation
 smooth voltage regulation is possible by controlling excitation
 both 1 and 2
 initial cost is low

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Critical mass is

 none of these.
  minimum mass of fissionable material required to sustain chain reaction.
 maximum mass of fissionable material required to sustain a chain reaction.
 a mass of fissionable material required to stop a chain reaction.

ANSWER DOWNLOAD EXAMIANS APP