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 Reduce sparking Increase speed Decrease speed Produce flat characteristics Reduce sparking Increase speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in The pole faces of main poles Partly in pole faces, partly in armature The armature None of the listed here The pole faces of main poles Partly in pole faces, partly in armature The armature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed On armature None of the listed here On yoke in the pole faces On yoke in the interpolar gap On armature None of the listed here On yoke in the pole faces On yoke in the interpolar gap ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Regenerative Dynamic braking None of these Plugging Regenerative Dynamic braking None of these Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where load is constant Where constant operating speed is needed None of these Where load changes frequently Where load is constant Where constant operating speed is needed None of these Where load changes frequently ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Lathes Pump Cranes Punch presses Lathes Pump Cranes Punch presses ANSWER DOWNLOAD EXAMIANS APP
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