Power Systems
For some given transmission line the expression for voltage regulation is given by (Vs - Vr)/Vr *100%. Hence,

 this may either be a medium line or short line
 this must be a short line
None of these
 this expression is true for any line

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Gas coolled reactor

 use CO2. or helium as coolant and graphite the moderator.
 use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c.
  both B and C.
 use heavy water as coolant as well as moderator.

ANSWER DOWNLOAD EXAMIANS APP