DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will stop The motor will continue to run The motor will run noisy The armature may burn The motor will stop The motor will continue to run The motor will run noisy The armature may burn ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Air compressors Machine shops Pumping sets Electric traction Air compressors Machine shops Pumping sets Electric traction ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at None of the listed here Full load Half full load No load None of the listed here Full load Half full load No load ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Compound motor only Both shunt and compound motor Shunt motor only Series motor only Compound motor only Both shunt and compound motor Shunt motor only Series motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to None of these armature current only both (A) and (B) field flux only None of these armature current only both (A) and (B) field flux only ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Low starting torque High starting torque Frequent on-off cycles Variable speed Low starting torque High starting torque Frequent on-off cycles Variable speed ANSWER DOWNLOAD EXAMIANS APP