DC Motors A series motor will over speed when Load is removed The field is opened The armature circuit is opened. The load is increase Load is removed The field is opened The armature circuit is opened. The load is increase ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the field current increases By interpoles When the armature current increases When the armature current decreases When the field current increases By interpoles When the armature current increases When the armature current decreases ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Can be started easily without load Has its field winding consisting of thick wire and less turns Has a poor torque Has almost constant speed Can be started easily without load Has its field winding consisting of thick wire and less turns Has a poor torque Has almost constant speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control Three point starter is used All above can be used Four point starter is used Drum type controller is used Three point starter is used All above can be used Four point starter is used Drum type controller is used ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Shunt motor Cummulative compounded motor Differentially compounded motor Series motor Shunt motor Cummulative compounded motor Differentially compounded motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. Constant speed Low no load speed None of the listed here High starting torque Constant speed Low no load speed None of the listed here High starting torque ANSWER DOWNLOAD EXAMIANS APP