GATE Mechanical Behaviour of Materials: Elasticity stress and strain – Previous Year Questions

5 GATE previous year questions on Elasticity stress and strain (Mechanical Behaviour of Materials, Metallurgical Engineering) with answers and explanations, from every paper.

1. GATE 2021 MT Q58 (2 marks, Numerical answer) – A plate is in plane strain with zz=0, xx= yy0, and xy= xz= yz=0. For Poisson ratio 0.3, zz/ xx is (one decimal place).
2. GATE 2022 MT Q63 (2 marks, Numerical answer) – The stress tensor is bmatrix130&30&0\\30&50&0\\0&0&0bmatrix MPa. Its maximum shear stress is MPa (nearest integer).
3. GATE 2023 MT Q56 (2 marks, Numerical answer) – A thin plate is in plane stress with xx=110 MPa, yy=-50 MPa, and xy=-70 MPa. Its maximum principal stress is MPa (nearest integer).
4. GATE 2024 MT Q43 (2 marks, Multiple choice) – The initially stress-free isotropic metal cuboid shown has thermal expansion coefficient , Young’s modulus E, and Poisson ratio . Its dimensions along…
5. GATE 2025 MT Q32 (1 mark, Numerical answer) – The hydrostatic stress for the stress tensor =bmatrix150&0&0\\0&-100&100\\0&100&250bmatrix\ MPa is MPa (in integer).