DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging field terminals Interchanging supply terminals None of the listed here Either of Interchanging field or Interchanging supply Interchanging field terminals Interchanging supply terminals None of the listed here Either of Interchanging field or Interchanging supply ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature voltage control of dc motor provides Constant torque drive Constant current drive None of the listed here Constant voltage drive Constant torque drive Constant current drive None of the listed here Constant voltage drive ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Friction loss Windage loss Core loss Copper loss Friction loss Windage loss Core loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors In variable speed motor A stronger commutating field is needed at low speed than at high speed None of these Same commutating field is needed at low speed than at high speed A weaker commutating field is needed at low speed than at high speed A stronger commutating field is needed at low speed than at high speed None of these Same commutating field is needed at low speed than at high speed A weaker commutating field is needed at low speed than at high speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors For starting a dc motor a starter is required because It starts the motor It limits the speed of the motor None of the listed here It limits the starting current to a safe value It starts the motor It limits the speed of the motor None of the listed here It limits the starting current to a safe value ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Shunt motor Series motor Cummulative compound motor Differentially compound motor Shunt motor Series motor Cummulative compound motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
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