Which heat treatment method is applied to reduce the hardness of a previously hardened material?

Materials and Construction MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Materials and Constructionchemical-engineering › materials-and-construction
Published
11 Mar 2019
Last updated
28 May 2026

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Explanation

Tempering is the heat treatment process used to decrease the brittleness and hardness of a material that has been hardened, improving its toughness. Normalizing and annealing serve different purposes in altering material properties.

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