DC Motors Armature reaction in dc motor is increased When the field current increases When the armature current increases By interpoles When the armature current decreases When the field current increases When the armature current increases By interpoles When the armature current decreases ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Commutator Winding Yoke Size of conductor Commutator Winding Yoke Size of conductor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Cummulative compound motor Shunt motor Series motor Differentially compound motor Cummulative compound motor Shunt motor Series motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Armature winding Commutator Slip rings Field winding Armature winding Commutator Slip rings Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature voltage control of dc motor provides None of the listed here Constant current drive Constant voltage drive Constant torque drive None of the listed here Constant current drive Constant voltage drive Constant torque drive ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To reduce the sparking To reduce the generated emf To increase the generated emf To improve cooling To reduce the sparking To reduce the generated emf To increase the generated emf To improve cooling ANSWER DOWNLOAD EXAMIANS APP