Single Phase Motors Most of the troubles of single phase induction motors are traceable to the _______ Main winding Shaft bearings Starting switch Rotor bars Main winding Shaft bearings Starting switch Rotor bars ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors has highest starting torque ? Repulsion motor Split-phase motor Capacitor-start motor Shaped pole motor Repulsion motor Split-phase motor Capacitor-start motor Shaped pole motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating , the single phase induction motor is _______ that of 3-phase induction motor. The same as Less than None of the listed here More than The same as Less than None of the listed here More than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed control of universal motor used for sewing machines is by Tapping the field Varying the resistance Centrifugal mechanism Friction Tapping the field Varying the resistance Centrifugal mechanism Friction ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A capacitor-start single phase induction motor is switched on to supply with its capa-citor replaced by an inductor of equivalent reactance value. It will start and run slowly start and run at rated speed start and then stop not start at all start and run slowly start and run at rated speed start and then stop not start at all ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a shaded pole motor the rotating magnetic field is produced by using Copper windings A capacitor Salient poles Shading coils Copper windings A capacitor Salient poles Shading coils ANSWER DOWNLOAD EXAMIANS APP