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Annealing a metal ________ its internal strains.

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Annealing a metal ________ its internal strains.

(a) doesn’t affect

(b) removes

(c) increases

(d) doubles

I got this question by my college professor while I was bunking the class.

My enquiry is from Heat Treatment Terms topic in portion Physical Test & Heat Treatment Terms of Aerospace Materials & Processes

1 Answer

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Right choice is (b) removes

Explanation: Annealing a metal is heating it uniformly and then cooling it slowly. This alters the internal arrangement of atoms. Annealing is known to remove internal strains and decrease the hardness of the metal.

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