The GATE Grind

GATE Heat Transfer: Radiation – Previous Year Questions

4 GATE previous year questions on Radiation (Heat Transfer, Chemical Engineering) with answers and explanations, from every paper.

  1. GATE 2022 CH Q41 (2 marks, Multiple choice) – Two large parallel planar walls are maintained at 1000 K and 500 K. Parallel radiation shields are to be installed between the two walls. Assume that…
  2. GATE 2023 CH Q30 (1 mark, Multiple select) – Given that E (in W m-2) is the total hemispherical emissive power of a surface maintained at a certain temperature, which of the following statements…
  3. GATE 2024 CH Q37 (2 marks, Multiple choice) – The temperatures of two large parallel plates of equal emissivity are 900 K and 300 K. A reflection radiation shield of low emissivity and negligible…
  4. GATE 2026 CH Q13 (1 mark, Multiple choice) – A body is placed inside a perfectly black enclosure and is allowed to reach thermal equilibrium. According to the Kirchhoff's identity, which one of…