DC Generators The field coil of dc generator are usually made of Cast iron Mica Carbon Copper Cast iron Mica Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. One-half of None of the listed here Two times the Three times One-half of None of the listed here Two times the Three times ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Shunt generator Over compounded generator Flat compounded generator Series generator Shunt generator Over compounded generator Flat compounded generator Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the series flux So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines To increase the series flux So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is 8 6 4 2 8 6 4 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Copper loss Eddy current loss Hysteresis loss Frictional loss Copper loss Eddy current loss Hysteresis loss Frictional loss ANSWER DOWNLOAD EXAMIANS APP
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