Power Systems Most commonly used material for insulator is porcelain All of these mica glass porcelain All of these mica glass ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by Vl²*√(C/L) both 1 and 2 Vl²/Zs Vph²/Zs Vl²*√(C/L) both 1 and 2 Vl²/Zs Vph²/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems Switchgear equipment include all of these. switches. relays and CB. fuses. all of these. switches. relays and CB. fuses. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of any line long transmission lines only medium transmission lines only short transmission lines only any line long transmission lines only medium transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in ground star / delta. delta / delta. delta / star. star / grounded star. ground star / delta. delta / delta. delta / star. star / grounded star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP