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