DC Motors Which motor has the poorest speed control? Shunt motor Series motor Differentially compounded motor Cummulative compounded motor Shunt motor Series motor Differentially compounded motor Cummulative compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Does not run as a generator None of these Also runs as a motor comes to stop after sometime Runs as a generator Does not run as a generator None of these Also runs as a motor comes to stop after sometime Runs as a generator ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor constant torque is produced due to End plates Rotor laminations Pole shoes Commutator End plates Rotor laminations Pole shoes Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 6 poles 4 poles 2 poles 8 poles 6 poles 4 poles 2 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. machines the residual magnetism is of the order of 10 to 15 percent 50 to 75 percent 2 to 3 percent 20 to 25 percent 10 to 15 percent 50 to 75 percent 2 to 3 percent 20 to 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Armature Field Brushes Commutator Armature Field Brushes Commutator ANSWER DOWNLOAD EXAMIANS APP
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