DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Eddy current losses Windage losses Hysteresis losses Copper losses Eddy current losses Windage losses Hysteresis losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Frequent on-off cycles Variable speed High starting torque Low starting torque Frequent on-off cycles Variable speed High starting torque Low starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in Series with the armature None of the listed here Parallel with the armature Series-parallel with the armature Series with the armature None of the listed here Parallel with the armature Series-parallel with the armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors For starting a dc motor a starter is required because It starts the motor It limits the starting current to a safe value None of the listed here It limits the speed of the motor It starts the motor It limits the starting current to a safe value None of the listed here It limits the speed of the motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by None of the listed here Interchanging field terminals Interchanging supply terminals Either of Interchanging field or Interchanging supply None of the listed here Interchanging field terminals Interchanging supply terminals 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
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