Single Phase Induction Motor MCQs and Answers | Single Phase Induction Motor Quiz

Questions

81 If a single phase induction motor runs slower than normal, the most likely defect is

A worn bearings

B short-circuit in the winding

C open-circuit in the winding

D none of the above

Answer: worn bearings

82 Which of the following motors is used in tape-recorders ?

A Hysteresis motor

B Reluctance motor

C Capacitor-run motor

D Universal motor

Answer: Hysteresis motor

Article and Schedule Quiz	Start Test!

83 Two-value capacitor motor finds increased application as compressor motor in small home air-conditioners because

A it is comparatively cheaper

B it has almost non-destructible capacitor

C it has low starting as well as running currents at relatively high power factor

D it is quiet in operation

Answer: it has low starting as well as running currents at relatively high power factor

84 If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open then

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

Answer: electrolytic capacitor will, in all probability, suffer break down

85 If starting winding of a single-phase induction motor is left in the circuit, it will

A run faster

B spark at light loads

C draw excessive current and overheat

D run slower

Answer: draw excessive current and overheat

Single Phase Induction Motor Quiz | Single Phase Induction Motor MCQs and Answers