Single Phase Induction Motor Multiple Choice Questions & Answers - 2

Question: 6

If a single phase motor runs hot the probable cause cannot be

(A) shorted stator coils

(B) high voltage

(C) low voltage

(D) blown fuses

Question: 7

The repulsion start induction run motor is used because of

(A) high starting torque

(B) minimum cost

(C) high efficiency

(D) good power factor

Question: 8

In a capacitor start single phase motor, when capacitor is replaced by a resistance

(A) motor will continue to run in same direction

(B) motor will run in reverse direction

(C) the motor will consume less power

(D) torque will increase

Question: 9

A capacitor start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will

(A) not start at all

(B) start and run at rated speed

(C) start and run slowly

(D) start and then stop

Question: 10

In a capacitor stat and run motors the function of the running capacitor in series with the auxiliary winding is to

(A) to improve torque

(B) reduce fluctuations in torque

(C) improve power factor

(D) increase overload capacity