DC Motors Small dc motors up to 5 HP usually have 8 poles 4 poles 6 poles 2 poles 8 poles 4 poles 6 poles 2 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Runs as a generator Also runs as a motor comes to stop after sometime None of these Does not run as a generator Runs as a generator Also runs as a motor comes to stop after sometime None of these Does not run as a generator ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Air motor Series motor Battery operated motor Shunt motor Air motor Series motor Battery operated motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 2 mm 6 mm 10 mm 0.4 mm 2 mm 6 mm 10 mm 0.4 mm ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc compound machine, Both play equally dominant role Shunt field winding plays dominant role Series field winding plays dominant role Either can play dominant role Both play equally dominant role Shunt field winding plays dominant role Series field winding plays dominant role Either can play dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Brushes Armature Field Commutator Brushes Armature Field Commutator ANSWER DOWNLOAD EXAMIANS APP