AC 3 Phase Induction motor MCQ with Answers

Rotor speed

Synchronous speed

Motor speed

Rated speed

1400 rpm

1500 rpm

1450 rpm

1000 rpm

Aluminium

Enamelled copper conductor

Silicon steel

Copper bars

End rings

Shaft

End cover hysteresis

Bearings

To reduce friction loss

To reduce eddy current loss

To reduce hysterism loss

To reduce starting current