Category: Single Phase Induction Motors

A. Shaded pole motor
B. Hysteresis motor
C. Two value capacitor motor
D. Universal motor

A. Hysteresis motor
B. Reluctance motor
C. Capacitor-run motor
D. Universal motor

A. 10°
B. 30°
C. 60°
D. 90°

A. good power factor
B. high efficiency
C. minimum cost
D. high starting torque

A. brush axis is 45° electrical to field axis
B. brush axis coincides with the field axis
C. brush axis is 90° electrical to field axis
D. both B. and (c)

A. 95% to 99%
B. 80% to 90%
C. 50% to 75%
D. 5% to 35%

A. It is extremely sensitive to fluctuations in supply voltage
B. Its high starting torque is due to its high rotor hysteresis loss
C. It is extremely quiet in operation
D. It accelerates from rest to full-speed almost instantaneously

A. Vacuum cleaners
B. Fan motors
C. Pistol drills
D. All of the above

A. It requires only one winding
B. It can rotate in one direction only
C. It is self-starting
D. It is not self-starting

A. short circuited capacitor
B. capacitor value hiving changed
C. open circuiting of capacitor
D. none of the above