DC Generators The commutator pitch for simplex lap winding is equal to Number of pairs of poles 1 Numbers of poles in the machine None of the listed here Number of pairs of poles 1 Numbers of poles in the machine None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Silicon steel Copper Nonferrous material Cast-iron Silicon steel Copper Nonferrous material Cast-iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator is also called its_______ characteristic. No load saturation Performance Internal External No load saturation Performance Internal External 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 Interpoles Compensating winding Shifting of axis of brushes Dummy coils Interpoles Compensating winding Shifting of axis of brushes Dummy coils 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 same polarity should track each other The brushes of opposite polarity should track each other All of these Brush position has no effect on the commutator grooving The brushes of same polarity should track each other The brushes of opposite polarity should track each other All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray 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 Copper and iron losses Frictional loss and copper loss Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS