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 The motor used on small lathes is usually Dc shunt motor Single phase capacitor run motor Universal motor 3-phase synchronous motor Dc shunt motor Single phase capacitor run motor Universal motor 3-phase synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The washing machine generally employs ______ motor. Hysteresis Single phase series motor Resistance split phase Shaded pole Hysteresis Single phase series motor Resistance split phase Shaded pole ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a universal motor, the most common cause of brush sparking is all of these shorted field winding? open armature winding high commutator mica all of these shorted field winding? open armature winding high commutator mica ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which motor is normally free from mechanical and magnetic vibrations? Shaded pole motor Universal motor Hysteresis motor Split phase motor Shaded pole motor Universal motor Hysteresis motor Split phase motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor, maximum torque is developed when brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis None of these brush axis coincides with the field axis brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis None of these brush axis coincides with the field axis ANSWER DOWNLOAD EXAMIANS APP
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