Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? It is extremely sensitive to fluctuations in supply voltage It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss It is extremely sensitive to fluctuations in supply voltage It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor, maximum torque is developed when brush axis is at 90° electrical to the field axis brush axis coincides with the field axis None of these brush axis is at 45° electrical to the field axis brush axis is at 90° electrical to the field axis brush axis coincides with the field axis None of these brush axis is at 45° electrical to the field axis ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a shaded pole motor the rotating magnetic field is produced by using Salient poles Shading coils Copper windings A capacitor Salient poles Shading coils Copper windings A capacitor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a repulsion motor, brushes are connected To stator winding To starting winding Together by a jumper wire To the external supply To stator winding To starting winding Together by a jumper wire To the external supply ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors At starting, the line current of a capacitor start induction motor is ______ the normal full load current. Equal to 7 to 8 times 4 to 5 times 8 to 10 times Equal to 7 to 8 times 4 to 5 times 8 to 10 times ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor direction of rotation of motor is the same as that of brush shift is independent of brush shift is opposite to that of brush shift is the same as that of brush shift is independent of brush shift is opposite to that of brush shift ANSWER DOWNLOAD EXAMIANS APP