DC Generators The brush voltage drop in dc machine is about _______ 10 V 20 V 0.1 V 2 V 10 V 20 V 0.1 V 2 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of pole pairs Number of commutator segments Number of poles Number of parallel paths Number of pole pairs Number of commutator segments Number of poles Number of parallel paths 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 carbon brushes of superior quality Using equalizer rings Using commutator with large number of segments Using conductor of annealed copper Using carbon brushes of superior quality Using equalizer rings Using commutator with large number of segments ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature conductors Number of armature coils Number of armature turns Number of armature coil sides Number of armature conductors Number of armature coils Number of armature turns Number of armature coil sides ANSWER DOWNLOAD EXAMIANS APP