DC Motors A dc series motor is most suitable for Cranes Lathes Punch presses Pump Cranes Lathes Punch presses Pump ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive motor vibration is caused by Bent shaft Worn bearings Open armature coil Too much brush tension Bent shaft Worn bearings Open armature coil Too much brush tension ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Shunt motor Series motor Differentially compound motor Cumulative compound motor Shunt motor Series motor Differentially compound motor Cumulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. Above the normal speed only Below the normal speed only Above as well as below the normal speed None of the listed here Above the normal speed only Below the normal speed only Above as well as below the normal speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Become zero Decrease Increase Remains same Become zero Decrease Increase Remains same ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring High starting torque Frequent on-off cycles Variable speed Low starting torque High starting torque Frequent on-off cycles Variable speed Low starting torque ANSWER DOWNLOAD EXAMIANS APP