Single Phase Motors The speed control of universal motor used for sewing machines is by Varying the resistance Centrifugal mechanism Friction Tapping the field Varying the resistance Centrifugal mechanism Friction Tapping the field ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a split phase induction motor, the two stator windings Draw only the in phase currents Have equal R/XL ratio Are mutually displaced by 90° electrical Draw equal current Draw only the in phase currents Have equal R/XL ratio Are mutually displaced by 90° electrical Draw equal current ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Burning out of winding is due to capacitor value hiving changed short circuited capacitor open circuiting of capacitor None of these capacitor value hiving changed short circuited capacitor open circuiting of capacitor None of these ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Electrical faults in a motor occur must commonly in its Control equipment Commutator Motor winding Brushes Control equipment Commutator Motor winding Brushes 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° 30° 90° 60° 10° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A shaded pole motor does not possess centrifugal switch commutator all of these capacitor centrifugal switch commutator all of these capacitor ANSWER DOWNLOAD EXAMIANS APP