What is true about residual stress in materials?

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

PPSCFPSCNTSPakistan govt jobs
Subject
Machine Designmechanical-engineering-mcqs › machine-design
Published
26 Jan 2019
Last updated
28 May 2026

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Choose the correct answer

Explanation

Residual stress refers to the stress present within a material without the application of any external load. It is independent of external forces, meaning it remains even when no external load is applied. Therefore, options A and B are incorrect because residual stress does not depend on external loads. Options D and E are incorrect as residual stress can be either harmful or beneficial depending on the context.

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