DC Generators Number of tapings for each equalizer ring is equal to Number of poles Number of pole pairs Number of commutator segments Number of parallel paths Number of poles Number of pole pairs Number of commutator segments Number of parallel paths ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize the commutating self induced e.m.f. None of these Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. None of these Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Reluctance Flux density Ampere turns Resistance Reluctance Flux density Ampere turns Resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be Greater than 150 V 150 V None of these Less than 150 V Greater than 150 V 150 V None of these Less than 150 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The critical resistance of the D.C. generator is the resistance of Field Armature Brushes Load Field Armature Brushes Load 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