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 Hz will be zero will be of 5 xiVHz will be of v Hz 5 will be of 5 Hz will be zero will be of 5 xiVHz will be of v Hz 5 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide More current but less voltage More current and more voltage Less current but more voltage None of the listed here More current but less voltage More current and more voltage Less current but more voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main drawback of a dc shunt generator is that Terminal voltage drops considerably Shunt field circuit has high resistance Generated voltage is small It is expensive Terminal voltage drops considerably Shunt field circuit has high resistance Generated voltage is small It is expensive ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Amount of current to be collected Voltage Speed of armature Type of winding Amount of current to be collected Voltage Speed of armature Type of winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Reduce eddy current loss Reduce the bulk Insulate the core Provide the bulk Reduce eddy current loss Reduce the bulk Insulate the core Provide the bulk 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
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