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Electric motors are placed in __________ to protect them from dust and contamination.

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Electric motors are placed in __________ to protect them from dust and contamination.

(a) Enclosures

(b) Open environment

(c) Moisturizing environment

(d) Hot environment

I have been asked this question by my school teacher while I was bunking the class.

The question is from Motors Rating and Heating in section Rating and Heating of Motors of Electric Drives

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Correct answer is (a) Enclosures

To explain: Electric motors are placed in enclosures to protect them from dust and contamination. There are seven most common types of enclosures. For example- Open Drip Proof.

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