Single Phase Motors Most of the fractional horsepower motors have either plain or sleeve bearings hard and annealed bearings ball or roller bearings soft and porous bearings plain or sleeve bearings hard and annealed bearings ball or roller bearings soft and porous bearings ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The electric motor used in portable drills is Hysteresis motor Capacitor run motor Universal motor Repulsion motor Hysteresis motor Capacitor run motor Universal motor Repulsion motor 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 The resistance split phase induction motor has ______ starting torque . Moderate None of the listed here High Very low Moderate None of the listed here High Very low ANSWER DOWNLOAD EXAMIANS APP
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 Universal motor Shaded pole type motor Capacitor start and run motor Capacitor start motor Universal motor Shaded pole type motor Capacitor start and run motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ 1500 rpm 750 rpm 1200 rpm None of the listed here 1500 rpm 750 rpm 1200 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP