DC Generators The brush voltage drop in dc machine is about _______ 20 V 0.1 V 10 V 2 V 20 V 0.1 V 10 V 2 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Sinusoidal Triangular Pulsating Flat topped Sinusoidal Triangular Pulsating Flat topped ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when There is no load on the generator The generator runs on full load The generator runs on designed speed The generator runs on overload There is no load on the generator The generator runs on full load The generator runs on designed speed The generator runs on overload ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Compensating winding Shifting of axis of brushes Interpoles Dummy coils Compensating winding Shifting of axis of brushes Interpoles Dummy coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Yoke Commutating poles Armature Field poles Yoke Commutating poles Armature Field poles ANSWER DOWNLOAD EXAMIANS APP
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 High Small Zero The same as rated voltage High Small Zero ANSWER DOWNLOAD EXAMIANS APP
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