The GATE Grind

GATE Heat Transfer: Modes of heat transfer, one-dimensional conduction, resistance concept – Previous Year Questions

5 GATE previous year questions on Modes of heat transfer, one-dimensional conduction, resistance concept (Heat Transfer, Mechanical Engineering) with answers and explanations, from every paper.

  1. GATE 2022 ME (ME1) Q45 (2 marks, Multiple choice) – Consider a rod of uniform thermal conductivity whose one end (x = 0) is insulated and the other end (x = L) is exposed to flow of air at temperature T…
  2. GATE 2022 ME (ME1) Q64 (2 marks, Numerical answer) – Consider a solid slab (thermal conductivity, k = 10 W m-1K-1) with thickness 0.2 m and of infinite extent in the other two directions as shown in the…
  3. GATE 2023 ME Q28 (1 mark, Multiple select) – Consider a laterally insulated rod of length L and constant thermal conductivity. Assuming one-dimensional heat conduction in the rod, which of the…
  4. GATE 2024 ME Q17 (1 mark, Multiple choice) – A plane, solid slab of thickness L, shown in the figure, has thermal conductivity k that varies with the spatial coordinate x as k = A + Bx, where A…
  5. GATE 2024 ME Q48 (2 marks, Numerical answer) – Consider a slab of 20 mm thickness. There is a uniform heat generation of q = 100 MW/m3 inside the slab. The left and right faces of the slab are…