A shaft experiences both a bending moment (M) and a torque (T) at the same time. What is the ratio of the maximum bending stress to the maximum shear stress in the shaft?

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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

When a shaft is subjected to bending moment M and torque T simultaneously, the maximum bending stress is proportional to M, and the maximum shear stress is proportional to T. The ratio of maximum bending stress to maximum shear stress is given by (2M) / T.

Practice related questions from the same subject.

1.What is the formula for the maximum deflection of a close-coiled helical spring?
2.Which of the following statements about the strains and volumetric change in a liquid-filled cylinder is correct?
3.What is the moment of inertia of a rectangular section with width B and depth D about an axis through its centroid and parallel to the width?
4.Which of the following statements is accurate regarding load and shear force relationships?
5.Which of the following statements is accurate?
6.Identify the false statement regarding the factors affecting the torsional resistance of a shaft. The torsional resistance is directly proportional to which of the following?
7.Which of the following statements is accurate?
8.The formula P = 4²EI / L² represents Euler’s critical buckling load for which of the following end conditions?

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A shaft experiences both a bending moment (M) and a torque (T) at the same time. What is the ratio of the maximum bending stress to the maximum shear stress in the shaft?

Explanation

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