A solid sphere of radius 10 mm is placed at the centroid of a hollow cubical enclosure of side length 30 mm. The outer surface of the sphere is denoted by 1 and the inner surface of the cube is denoted by 2. The view factor F22 for radiation heat transfer is ________ (rounded off to two decimal places).

GATE 2021 Mechanical Engineering Q44 — Mechanical Engineering

GATE 2021Set 1Q44NATanswer keyexplanation soonmedium

Mechanical Engineering · Heat Transfer

Concept intelligence

Drill mode: view factor · 4/13

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Recurring concept

Heat Transfer has appeared in GATE Mechanical Engineering 6 times across 4 years (2019, 2021, 2023, 2026).