Single Phase Motors In repulsion motor, maximum torque is developed when 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 brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis None of these ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 4 pole, 50 Hz single phase induction motor has a slip of 5% . The speed of the motor will be 1500 rpm 1200 rpm None of the listed here 1425 rpm 1500 rpm 1200 rpm None of the listed here 1425 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors What could be the size of a universal motor for use in vaccum cleaners? 3/4 HP 2 HP 1/4 HP 1 HP 3/4 HP 2 HP 1/4 HP 1 HP ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding a reluctance motor is incorrect ? It cannot be reversed, ordinarily It requires no D.C. field excitation for its operation It is nothing else but a single-phase, salient pole synchronous-induction motor Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor It cannot be reversed, ordinarily It requires no D.C. field excitation for its operation It is nothing else but a single-phase, salient pole synchronous-induction motor Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a capacitor start motor, the phase displacement between starting and running winding can be nearly 60° 10° 90° 30° 60° 10° 90° 30° ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding single-phase induction motoris correct ? It is self-starting It requires only one winding It can rotate in one direction only It is not self-starting It is self-starting It requires only one winding It can rotate in one direction only It is not self-starting ANSWER DOWNLOAD EXAMIANS APP
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