DC Motors The running speed of a dc series motor is basically determined by Armature reaction None of the listed here Load Field excitation Armature reaction None of the listed here Load Field excitation ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. Iron and friction losses None of the listed here Field losses Cu losses Iron and friction losses None of the listed here Field losses Cu losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor, the brushes are shifted from the mechanical neutral plane in a direction opposite to the rotation to _____ Reduce sparking Produce flat characteristics Decrease speed Increase speed Reduce sparking Produce flat characteristics Decrease speed Increase speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when The armature circuit is opened. The field is opened Load is removed The load is increase The armature circuit is opened. The field is opened Load is removed The load is increase ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is Less None of the listed here More The same Less None of the listed here More The same ANSWER DOWNLOAD EXAMIANS APP