DC Motors Which of the following motor has the poorest speed regulation? Shunt motor Series motor Differentially compound motor Cummulative compound motor Shunt motor Series motor Differentially compound motor Cummulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control Four point starter is used Three point starter is used All above can be used Drum type controller is used Four point starter is used Three point starter is used All above can be used Drum type controller is used ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Armature current Speed Field and armature resistance Flux Armature current Speed Field and armature resistance Flux ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when Load is removed The load is increase The field is opened The armature circuit is opened. Load is removed The load is increase The field is opened The armature circuit is opened. ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? Shunt motor Series motor None of the listed here Either series or shunt Shunt motor Series motor None of the listed here Either series or shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to both (A) and (B) None of these field flux only armature current only both (A) and (B) None of these field flux only armature current only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS