DC Motors Armature reaction in dc motor is increased When the armature current decreases When the armature current increases By interpoles When the field current increases When the armature current decreases When the armature current increases By interpoles When the field current increases ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Field excitation Armature reaction Load None of the listed here Field excitation Armature reaction Load 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. Cu losses None of the listed here Iron and friction losses Field losses Cu losses None of the listed here Iron and friction losses Field 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 _____ Decrease speed Produce flat characteristics Increase speed Reduce sparking Decrease speed Produce flat characteristics Increase speed Reduce sparking ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when The load is increase Load is removed The field is opened The armature circuit is opened. The load is increase Load is removed The field is opened The armature circuit is opened. ANSWER DOWNLOAD EXAMIANS APP
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