Single Phase Motors If a particular application needs high speed and high starting torque, then which of the following motor will bepreferred ? Capacitor start motor Shaded pole type motor Capacitor start and run motor Universal motor Capacitor start motor Shaded pole type motor Capacitor start and run motor Universal motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the fractional horsepower motors have either plain or sleeve bearings ball or roller bearings hard and annealed bearings soft and porous bearings plain or sleeve bearings ball or roller bearings hard and annealed bearings soft and porous bearings ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a shaded pole motor the rotating magnetic field is produced by using Copper windings Shading coils Salient poles A capacitor Copper windings Shading coils Salient poles A capacitor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a split phase induction motor, the two stator windings Have equal R/XL ratio Draw only the in phase currents Are mutually displaced by 90° electrical Draw equal current Have equal R/XL ratio Draw only the in phase currents Are mutually displaced by 90° electrical Draw equal current ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, the size of a single phase induction motor is about _______ that of the corresponding 3-phase induction motor. The same as 0.33 times 3 times 1.5 times The same as 0.33 times 3 times 1.5 times ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed control of universal motor used for sewing machines is by Tapping the field Friction Centrifugal mechanism Varying the resistance Tapping the field Friction Centrifugal mechanism Varying the resistance ANSWER DOWNLOAD EXAMIANS APP
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