DC Motors The greatest percentage of power loss in a dc motor is due to Friction loss Core loss Copper loss Windage loss Friction loss Core loss Copper loss Windage loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be Cumulatively compounded Under compounded Level compounded Differentially compounded Cumulatively compounded Under compounded Level compounded Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Punch presses Cranes Lathes Pump Punch presses Cranes Lathes Pump ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Worn bearings Loose coupling Dirt on the commutator Misaligment of machine Worn bearings Loose coupling Dirt on the commutator Misaligment of machine ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to both (A) and (B) field flux only None of these armature current only both (A) and (B) field flux only None of these armature current only ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used 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 To reduce the sparking ANSWER DOWNLOAD EXAMIANS APP
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