DC Motors In the dc motor the iron losses occur in Field Commutator Brushes Armature Field Commutator Brushes Armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To improve cooling To reduce the generated emf To reduce the sparking To increase the generated emf To improve cooling To reduce the generated emf To reduce the sparking To increase the generated emf ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Windage loss Core loss Copper loss Friction loss Windage loss Core loss Copper loss Friction loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Commutator Armature winding Slip rings Field winding Commutator Armature winding Slip rings Field winding 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 Level compounded Differentially compounded Cumulatively compounded Under compounded Level compounded Differentially compounded Cumulatively compounded Under compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature voltage control of dc motor provides None of the listed here Constant torque drive Constant current drive Constant voltage drive None of the listed here Constant torque drive Constant current drive Constant voltage drive ANSWER DOWNLOAD EXAMIANS APP