DC Generators The resistance of armature winding depends on All of the listed here Length of conductor Number of conductors Cross sectional area of the conductor All of the listed here Length of conductor Number of conductors Cross sectional area of the conductor 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 Zero High The same as rated voltage Small Zero High The same as rated voltage Small 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 The brushes of same polarity should track each other All of these Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other The brushes of same polarity should track each other All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. More weight than None of the listed here Less weight than The same weight as More weight than None of the listed here Less weight than The same weight as ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Rough commutator bars Abrasion from dust Excessive spring pressure All of these Rough commutator bars Abrasion from dust Excessive spring pressure ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Silicon steel Aluminum Cast steel Soft iron Silicon steel Aluminum Cast steel Soft iron ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS