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 Dummy coils Shifting of axis of brushes Compensating winding Interpoles Dummy coils Shifting of axis of brushes Compensating winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Half the number of poles Two Same as the number of poles Double the number of poles Half the number of poles Two Same as the number of poles Double the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using conductor of annealed copper Using equalizer rings Using commutator with large number of segments Using carbon brushes of superior quality Using conductor of annealed copper Using equalizer rings Using commutator with large number of segments Using carbon brushes of superior quality ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide Less current but more voltage More current and more voltage More current but less voltage None of the listed here Less current but more voltage More current and more voltage More current but less voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Speed of armature Type of winding Voltage Amount of current to be collected Speed of armature Type of winding Voltage Amount of current to be collected ANSWER DOWNLOAD EXAMIANS APP
DC Generators High voltage dc machine use _____ winding. Lap None of the listed here Wave Either lap or wave Lap None of the listed here Wave Either lap or wave ANSWER DOWNLOAD EXAMIANS APP