Category: Single Phase Induction Motors

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

A. is opposite to that of brush shift
B. is the same as that of brush shift
C. is independent of brush shift

A. Resistance start
B. Capacitor start capacitor run
C. Shaded pole
D. Universal

A. motor will not come up to speed
B. motor will not carry the load
C. current drawn by the motor will be excessively high
D. electrolytic capacitor will, in all probability, suffer break down

A. the motor will not start
B. the motor will run
C. the motor will run in reverse direction
D. the motor will run in the same direction at reduced r.p.m

A. through resistance
B. through reactances
C. through capacitors
D. solidly

A. improve power factor
B. increase overload capacity
C. reduce fluctuations in torque
D. to improve torque

A. can be operated either on D.C. or A.C. supply at approximately the same speed and output
B. can be marketed internationally
C. runs at dangerously high speed on no-load