DC Generators The rapid wear of brushes takes place due to Excessive spring pressure Rough commutator bars All of these Abrasion from dust Excessive spring pressure Rough commutator bars All of these Abrasion from dust ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Series generator Shunt generator Flat compounded generator Over compounded generator Series generator Shunt generator Flat compounded generator Over compounded generator 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 series flux To increase the speed and hence generated e.m.f. 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 series flux To increase the speed and hence generated e.m.f. So that two similar machines will pass approximately equal currents to the load ANSWER DOWNLOAD EXAMIANS APP
DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 xiVHz will be of 5 Hz will be zero will be of v Hz 5 will be of 5 xiVHz will be of 5 Hz will be zero will be of v Hz 5 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Speed Voltage Current None of the listed here Speed Voltage Current ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____ 250 V 60 V 360 V 1500 V 250 V 60 V 360 V 1500 V ANSWER DOWNLOAD EXAMIANS APP
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