DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be The same as rated voltage Small Zero High The same as rated voltage Small Zero High ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Copper and iron losses Frictional loss and copper loss Iron and friction losses Field copper loss and iron loss Copper and iron losses Frictional loss and copper loss Iron and friction losses Field copper loss and iron loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ Salient pole arrangements None of the listed here None salient pole arrangements Both salient and non salient pole arrangements Salient pole arrangements None of the listed here None salient pole arrangements Both salient and non salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Series generator only Both shunt and compound generator Shunt generator only None of the listed here Series generator only Both shunt and compound generator Shunt generator only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Field poles Armature Commutating poles Yoke Field poles Armature Commutating poles Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is Weakened as well as distorted Weakend only Distorted only None of the listed here Weakened as well as distorted Weakend only Distorted only None of the listed here ANSWER DOWNLOAD EXAMIANS APP