The principal stresses at a point P in a solid are 70 MPa, -70 MPa and 0. The yield stress of the material is 100 MPa. Which prediction(s) about material failure at P is/are CORRECT?

Maximum normal stress theory predicts that the material fails

Maximum shear stress theory predicts that the material fails

Maximum normal stress theory predicts that the material does not fail

Maximum shear stress theory predicts that the material does not fail

GATE 2023 Mechanical Engineering Q26 — Mechanical Engineering

GATE 2023Set MasterQ26MCQanswer pendingexplanation soonmedium

Mechanical Engineering · Strength of Materials - Theories of Failure

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Strength of Materials - Theories of Failure has appeared in GATE Mechanical Engineering 4 times across 4 years (2018, 2019, 2023, 2026).

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principal stressesyield stressmaterial failuremaximum normal stress theorymaximum shear stress theory