DC Generators The yoke of a dc machine carries ______ pole flux. Three times Two times the None of the listed here One-half of Three times Two times the None of the listed here One-half of ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. None of the listed here More than About the same as Less than None of the listed here More than About the same as Less than 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 To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the series flux To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Hysteresis loss Copper loss Frictional loss Eddy current loss Hysteresis loss Copper loss Frictional loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators D.C. generator generally preferred for charging automobile batteries is Any of the above Shunt generator Long shunt compound generator Series generator Any of the above Shunt generator Long shunt compound generator Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 40 percent 25 percent 10 percent 5 percent 40 percent 25 percent 10 percent 5 percent ANSWER DOWNLOAD EXAMIANS APP
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