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The frame of an induction motor is made of _________

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in Electric Drives by (99.8k points)
The frame of an induction motor is made of _________

(a) Aluminum

(b) Silicon steel

(c) Cast iron

(d) Stainless steel

I have been asked this question by my college director while I was bunking the class.

Question is from DC Motors in division Characteristics of DC & AC Motors of Electric Drives

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Correct option is (c) Cast iron

The best I can explain: The frame of an induction motor is made of cast iron. The power factor of an induction motor depends upon the air gap between stator and rotor.

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