GATE Transport Phenomena and Rate Processes: Heat transfer – Previous Year Questions
13 GATE previous year questions on Heat transfer (Transport Phenomena and Rate Processes, Metallurgical Engineering) with answers and explanations, from every paper.
- GATE 2021 MT Q43 – The shown steady one-dimensional temperature distribution is across adjacent refractory blocks of unit cross-sectional area and conductivities k 1,k…
- GATE 2021 MT Q65 – A solid sphere of radius 0.5 m is enclosed by a hollow sphere of radius 1 m. Radiation exchanges between the small sphere’s outer surface (1) and…
- GATE 2022 MT Q43 – Which of the following statement(s) is(are) TRUE about black body radiation?
- GATE 2022 MT Q54 – A block consists of Materials I and II with identical cross-sections and equal thicknesses 25 mm, as shown. Bottom and top temperatures are 435 K and…
- GATE 2022 MT Q62 – Air enters a tube at 300 K and 1.5 kg/s. Tube inner diameter is 0.08 m, inner-wall temperature 700 K, and outlet-air temperature 600 K. For purely…
- GATE 2023 MT Q58 – Two circular surfaces A and B have emissivities, temperatures, and view factors as shown. Consider radiation only between A and B. Given =5.6710-8 W…
- GATE 2024 MT Q15 – Two different-metal rods, each of length L/2 and diameter d L, have constant conductivities k 1>k 2 and perfect contact (zero interface thermal…
- GATE 2024 MT Q38 – A slender cylindrical rod of conductivity k, length L, and diameter d L contacts an infinite liquid heat sink at its right end, as shown. At steady…
- GATE 2024 MT Q59 – A long cylindrical metal rod of radius r, length L r, and resistivity e carries current I in vacuum and loses heat only by radiation. Its steady…
- GATE 2025 MT Q39 – Radiative heat flux q at a hot surface of temperature T s is expressed as q=A f(T s,T )(T s-T ), where A is a constant and T is the surroundings…
- GATE 2025 MT Q59 – The two sides of a 0.4 m thick copper plate are at 1000 and 500 °C. Assuming steady, one-dimensional conduction and ignoring end effects, the…
- GATE 2026 MT Q28 – Which one of the following options is correct? For a solid immersed in a fluid, the convective heat transfer coefficient across the solid-fluid…
- GATE 2026 MT Q59 – A cylindrical furnace has an inner diameter of 0.1 m and height of 0.2 m. Its inner cylindrical wall A 1 and inner bottom A 2 are maintained at 1873…