Power Systems The arc voltage produced in an AC circuit breaker is always in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peterson coil is used in case of transmission line for reduce ferranti effect compensation of arcing grounds improve power factor increase the voltage level reduce ferranti effect compensation of arcing grounds improve power factor increase the voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 45° 36° 42° 90° 45° 36° 42° 90° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by both 1 and 2 Vl²/Zs Vl²*√(C/L) Vph²/Zs both 1 and 2 Vl²/Zs Vl²*√(C/L) Vph²/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to heat the feed water. remove dissolved. remove dissolved gases in water. heat the steam. heat the feed water. remove dissolved. remove dissolved gases in water. heat the steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In load flow studies PV bus is treated as PQ bus when phase angle become high voltage at the bus become high reactive power goes beyond limit any of the above phase angle become high voltage at the bus become high reactive power goes beyond limit any of the above ANSWER DOWNLOAD EXAMIANS APP
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