Single Phase Motors The speed control of universal motor used for sewing machines is by Centrifugal mechanism Friction Tapping the field Varying the resistance Centrifugal mechanism Friction Tapping the field Varying the resistance ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The electric motor used in portable drills is Hysteresis motor Capacitor run motor Repulsion motor Universal motor Hysteresis motor Capacitor run motor Repulsion motor Universal motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors What could be the size of a universal motor for use in vaccum cleaners? 2 HP 1 HP 3/4 HP 1/4 HP 2 HP 1 HP 3/4 HP 1/4 HP ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following single phase motor is available with speed as low as one revolution per month? Reluctance Hysteresis Universal Shaded pole Reluctance Hysteresis Universal Shaded pole ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Electrical faults in a motor occur must commonly in its Brushes Control equipment Motor winding Commutator Brushes Control equipment Motor winding Commutator ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it improves the efficiency helps the rotor teeth to remain under the stator teeth improves the power factor helps in reducing the tendency of the rotor teeth to remain under the stator teeth improves the efficiency helps the rotor teeth to remain under the stator teeth improves the power factor helps in reducing the tendency of the rotor teeth to remain under the stator teeth ANSWER DOWNLOAD EXAMIANS APP