DC Motors The armature voltage control of dc motor provides Constant torque drive Constant current drive Constant voltage drive None of the listed here Constant torque drive Constant current drive Constant voltage drive None of the listed here 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% 6.77% 2.22% 4.76% 8.85% 6.77% 2.22% 4.76% ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Armature copper loss Field copper loss Windage loss None of these Armature copper loss Field copper loss Windage loss None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Armature rotor Armature conductors Commutator Yoke Armature rotor Armature conductors Commutator Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Yoke Winding Size of conductor Commutator Yoke Winding Size of conductor Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Series Differentially compounded Cumulatively compounded Shunt Series Differentially compounded Cumulatively compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
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