DC Generators The critical resistance of the D.C. generator is the resistance of Armature Field Brushes Load Armature Field Brushes Load ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Double the number of poles Same as the number of poles Half the number of poles Two Double the number of poles Same as the number of poles Half the number of poles Two ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Mechanical loss Iron loss Constant loss Stray loss Mechanical loss Iron loss Constant loss Stray loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of poles Number of pole pairs Number of parallel paths Number of commutator segments Number of poles Number of pole pairs Number of parallel paths Number of commutator segments ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to Thrice the pole pitch Twice the pole pitch Pole pitch None of the listed here Thrice the pole pitch Twice the pole pitch Pole pitch None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc machine is laminated in order to reduce Frictional loss Eddy current loss Hysteresis loss Copper loss Frictional loss Eddy current loss Hysteresis loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
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