DC Generators In a lap winding, the number of the brushes required is equal to None of the listed here Number of poles Number of pairs of poles Commutator pitch None of the listed here Number of poles Number of pairs of poles Commutator pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Silicon steel Cast steel Soft iron Aluminum Silicon steel Cast steel Soft iron Aluminum ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Field poles Commutating poles Armature Yoke Field poles Commutating poles Armature Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 2 8 6 4 2 8 6 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 10 V 0.1 V 2 V 20 V 10 V 0.1 V 2 V 20 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other All of these The brushes of same polarity should track each other Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other All of these The brushes of same polarity should track each other ANSWER DOWNLOAD EXAMIANS APP