Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Armature resistance. None of above. Field resistance. Residual magnetism of the generator. Armature resistance. None of above. Field resistance. Residual magnetism of the generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Hysteresis loss Copper loss Eddy current loss Magnetic loss Hysteresis loss Copper loss Eddy current loss Magnetic loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a dc motor the ratio Eb / E is indicative of ratio of input to output voltage. efficiency. ratio of starting to running torque. ratio of starting to running current. ratio of input to output voltage. efficiency. ratio of starting to running torque. ratio of starting to running current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing the field of DC generator means increasing flux density by adding extra turns of winding. creating residual magnetism by a DC source. making the magnetic losses forces parallel. neutralising residual magnetism. increasing flux density by adding extra turns of winding. creating residual magnetism by a DC source. making the magnetic losses forces parallel. neutralising residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator in DC generator is used for increase efficiency collecting of current convert AC armature current in to DC reduce losses increase efficiency collecting of current convert AC armature current in to DC reduce losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc compound motor. dc series motor. dc shunt with armature resistance control. dc shunt motor with field weakening. dc compound motor. dc series motor. dc shunt with armature resistance control. dc shunt motor with field weakening. ANSWER DOWNLOAD EXAMIANS APP
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