A steel rod with a diameter of 20 mm is simply supported at both ends across a span of 40 cm and subjected to a central load. If the maximum stress in the rod is restricted to a certain value (N/mm²), what is the bending strain energy stored in the rod?

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

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Subject
Theory of Structurescivil-engineering-mcqs › theory-of-structures
Published
17 Jan 2019
Last updated
28 May 2026

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Explanation

Given the steel bar's diameter and span, and the maximum allowable stress, the bending strain energy can be calculated using the strain energy formulas for bending. Among the choices, 611 N·mm is the correct bending strain energy stored in the bar.

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