GATE Mechanical Behaviour of Materials: Plasticity and yield criteria – Previous Year Questions
9 GATE previous year questions on Plasticity and yield criteria (Mechanical Behaviour of Materials, Metallurgical Engineering) with answers and explanations, from every paper.
- GATE 2021 MT Q17 – For the uniaxial tensile stress–strain behaviour of polycrystalline aluminium, which statement is FALSE?
- GATE 2021 MT Q28 – A body has stress tensor bmatrix50&0&0\\0&200&0\\0&0&100bmatrix MPa. For yielding under Tresca’s criterion, its uniaxial tensile yield stress must be…
- GATE 2021 MT Q42 – Single-crystal aluminium is in uniaxial tension along [112]. At applied stress 100 MPa and critical resolved shear stress 25 MPa, which slip system…
- GATE 2022 MT Q26 – A strain-hardening material develops necking instability in tension when . Here is true stress and true strain.
- GATE 2022 MT Q46 – In high-temperature tensile tests at the same strain, an alloy has flow stress 50 MPa at strain rate 0.1 s-1 and 70 MPa at 10 s-1. Its strain-rate…
- GATE 2023 MT Q63 – An alloy obeys =11000.3, where , are true stress and strain. It is cold-drawn to an unknown strain and then tensile-tested. At maximum tensile load,…
- GATE 2025 MT Q40 – Match the phenomena in Column I with the typical observations in Column II. Column I: P. Dynamic strain aging Q. Recrystallization R. Bauschinger…
- GATE 2025 MT Q62 – A cylindrical specimen is plastically deformed in tension to a uniform elongation of 10%. The final gage cross-sectional area is 20 mm2. Its initial…
- GATE 2026 MT Q50 – A cylindrical copper single crystal of diameter 10 mm is deformed under a uniaxial tensile load of 2200 N. The angle between the slip-plane normal and…