DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Flat topped Triangular Sinusoidal Pulsating Flat topped Triangular Sinusoidal Pulsating ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Both electrical and magnetic fields Magnetic field None of the listed here Electric field Both electrical and magnetic fields Magnetic field None of the listed here Electric field ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. To increase the series flux So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. To increase the series flux So that two similar machines will pass approximately equal currents to the load ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine All the four poles are south poles Alternate poles are north and south All the four poles are north poles Two north poles follow two south poles All the four poles are south poles Alternate poles are north and south All the four poles are north poles Two north poles follow two south poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 1% regulation Infinite regulation 50% regulation 100% regulation 1% regulation Infinite regulation 50% regulation 100% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Has exciting current independent of load current Is more stable Is amenable to better voltage control Has all above features Has exciting current independent of load current Is more stable Is amenable to better voltage control Has all above features ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS