DC Motors The armature torque of the D.C. shunt motor is proportional to armature current only both (A) and (B) None of these field flux only armature current only both (A) and (B) None of these field flux only ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is Low efficiency at high loads High initial cost All of these High maintenance cost Low efficiency at high loads High initial cost All of these High maintenance cost ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is Less The same None of the listed here More Less The same None of the listed here More ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor has the poorest speed control? Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current Remains same Decreases None of the listed here Increases Remains same Decreases None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control 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 Four point starter is used Three point starter is used ANSWER DOWNLOAD EXAMIANS APP
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