DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Back e.m.f. None of these Self-induced e.m.f. Mutually induced e.m.f. Back e.m.f. None of these Self-induced e.m.f. Mutually induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Winding Yoke Commutator Size of conductor Winding Yoke Commutator Size of conductor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Decrease Become zero Remains same Increase Decrease Become zero Remains same Increase ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load. The speed regulation of the motor is 8.85% 2.22% 4.76% 6.77% 8.85% 2.22% 4.76% 6.77% ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Shunt motor Differentially compound motor Series motor Cummulative compound motor Shunt motor Differentially compound motor Series motor Cummulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Shunt Differentially compounded Series Cumulatively compounded Shunt Differentially compounded Series Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP
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