The GATE Grind

GATE Heat Transfer: Convection, boundary layers and heat transfer coefficients – Previous Year Questions

5 GATE previous year questions on Convection, boundary layers and heat transfer coefficients (Heat Transfer, Chemical Engineering) with answers and explanations, from every paper.

  1. GATE 2023 CH Q21 (1 mark, Multiple choice) – Match the quantities in Group 1 with their units in Group 2 listed in the table below. Group 1 Group 2 --- --- P) Thermal conductivity I) W m-2K-1 Q)…
  2. GATE 2023 CH Q54 (2 marks, Numerical answer) – A fluid is flowing steadily under laminar conditions over a thin rectangular plate at temperature T s as shown in the figure below. The velocity and…
  3. GATE 2024 CH Q27 (1 mark, Multiple select) – If the Prandtl number Pr = 0.01, which of the following statements is/are correct?
  4. GATE 2025 CH Q52 (2 marks, Numerical answer) – Consider laminar flow of water over a wide flat plate maintained at a uniform temperature of 50 °C as shown in the figure. The freestream velocity and…
  5. GATE 2026 CH Q14 (1 mark, Multiple choice) – Which one of the following ratios does Grashof number represent?