Which of the following motors is preferred for tape-recorders ?

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

A single-phase induction motor is__________?

A. Inherently self-starting with high torque
B. Inherently self-starting with low torque
C. Inherently non-self-starting with low torque
D. Inherently non-self-starting with high torque

For which of the applications a reluctance motor is preferred ?

A. Electric shavers
B. Refrigerators
C. Signalling and timing devices
D. Lifts and hosits

The motor used on small lathes is usually_________?

A. Universal motor
B. D.c. shunt motor
C. Single-phase capacitor run motor
D. 3-phase synchronous motor

A hysteresis motor works on the principle of__________?

A. Hysteresis loss
B. Magnetisation of rotor
C. Eddy current loss
D. Electromagnetic induction

Which of the following motor will give the highest starting torque ?

A. D.c. shunt motor
B. Schrage motor
C. Repulsion start and induction run motor
D. Universal motor

The power factor of a single-phase induction motor is usually?

A. Lagging
B. Always leading
C. Unity
D. Unity to 0.8 leading

A shaded pole motor can be used for_____________?

A. Toys
B. Hair dryers
C. Circulators
D. Any of the above

In a capacitor start single-phase motor, when capacitor is replaced by a resistance____________?

A. Torque will increase
B. The motor will consume less power
C. Motor will run in reverse direction
D. Motor will continue to run in same direction

Short-circuiter is used in_____________?

A. Repulsion induction motor
B. Repulsion motor
C. Repulsion start induction run motor
D. None of the above