Single Phase Motors A 4-pole , 50 Hz single phase induction motor is running with a slip of 3.4%. The speed of the motor is 1120 rpm 1449 rpm 1279 rpm 1540 rpm 1120 rpm 1449 rpm 1279 rpm 1540 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor, maximum torque is developed when None of these brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis brush axis coincides with the field axis None of these brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis brush axis coincides with the field axis ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Hysteresis motor is particularly useful for high-quality record players and tape-recorders because it can be easily manufactured in extremely small sizes of up to 1 W output it revolves synchronously it develops hysteresis torque which is extremely steady both in amplitude and phase it is not subject to any magnetic or mechanical vibrations it can be easily manufactured in extremely small sizes of up to 1 W output it revolves synchronously it develops hysteresis torque which is extremely steady both in amplitude and phase it is not subject to any magnetic or mechanical vibrations ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor used in capacitor start motor is always a _______ capacitor. Ceramic Mica Electrolyte Paper Ceramic Mica Electrolyte Paper 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. 3 times The same as 0.33 times 1.5 times 3 times The same as 0.33 times 1.5 times ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In case of a shaded pole motor the direction of rotation of the motor is from shaded pole to main pole either of the above depending on power factor either of the above depending on voltage from main pole to shaded pole from shaded pole to main pole either of the above depending on power factor either of the above depending on voltage from main pole to shaded pole ANSWER DOWNLOAD EXAMIANS APP