The GATE Grind

GATE Structures: Strength of materials: Transformation of stress and strain, Mohr's circle, combined loading and failure criteria – Previous Year Questions

11 GATE previous year questions on Strength of materials: Transformation of stress and strain, Mohr's circle, combined loading and failure criteria (Structures, Aerospace Engineering) with answers and explanations, from every paper.

  1. GATE 2021 AE Q20 (1 mark, Multiple choice) – Under uniaxial tension, the failure planes for brittle and ductile materials, respectively, are
  2. GATE 2021 AE Q21 (1 mark, Multiple choice) – For the plane stress state x=-80 MPa, y=-20 MPa and xy=-30 MPa, the indicated maximum-shear plane angle to the x-axis is
  3. GATE 2022 AE Q28 (1 mark, Multiple select) – Let σ and τ represent the normal stress and shear stress on a plane, respectively. The Mohr circle(s) that may possibly represent the state of stress…
  4. GATE 2022 AE Q33 (1 mark, Numerical answer) – Plane stresses are xx=110 MPa, yy=30 MPa, xy=40 MPa. The normal stress on the shown 45° plane (nearest integer MPa) is .
  5. GATE 2022 AE Q59 (2 marks, Numerical answer) – A 0.5 m long thin-walled circular shaft of radius 2 cm is to be designed for an axial load of 7.4 kN and a torque of 148 Nm applied at its tip, as…
  6. GATE 2023 AE Q26 (1 mark, Multiple select) – Which of the following statement(s) is/are true about the state of stress in a plane?
  7. GATE 2023 AE Q53 (2 marks, Numerical answer) – Consider a thin-walled cylindrical pressure vessel made of an alloy with yield strength of 300 MPa. The vessel has end caps to contain the pressure.…
  8. GATE 2026 AE Q26 (1 mark, Multiple select) – The state of stress at a point in a 2-D body, in the x-y Cartesian coordinate system, is represented in matrix form as []. The transformation matrix…
  9. GATE 2025 AE Q59 (2 marks, Numerical answer) – A thin flat plate is subjected to the following stresses: xx = 160 MPa; yy = 40 MPa; xy = 80 MPa. Factor of safety is defined as the ratio of the…
  10. GATE 2024 AE Q46 (2 marks, Multiple select) – The figure shows plots of two yield loci for an isotropic material, where I and II are the principal stresses, and Y is the yield stress in uniaxial…
  11. GATE 2024 AE Q52 (2 marks, Numerical answer) – The state of stress at a point is caused by two separate loading cases. One of them produces a pure uniaxial tension along the x' direction, and other…