Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is unity. leading. zero. lagging. unity. leading. zero. lagging. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will reduce the thermal efficiency increase the thermal efficiency reduce the heat both 2 and 3 reduce the thermal efficiency increase the thermal efficiency reduce the heat both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? medium transmission lines only long transmission lines only short transmission lines only None of these medium transmission lines only long transmission lines only short transmission lines only None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by Blocking factor Acceleration factor Lagrange multiplier Gauss constant Blocking factor Acceleration factor Lagrange multiplier Gauss constant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Isolator in sub station is open under ------------- condition? full load no load short circuit any of the above full load no load short circuit any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a sparse matrix null matrix unit matrix full matrix sparse matrix null matrix unit matrix full matrix ANSWER DOWNLOAD EXAMIANS APP