Metallurgical Engineering > GATE 2023 > Heat Transfer
Two circular surfaces A and B with the values of emissivity ε, temperature T, and respective view factors are shown in the figure. Consider heat radiation only between surfaces A and B.
Given: Stefan-Boltzmann constant, σ = 5.67 × 10-8 Wm-2K-4
Net heat flow rate by radiation from surface A in kW is _______ (round off to 1 decimal place).
Net heat flow rate by radiation from surface A in kW is _______ (round off to 1 decimal place).
Correct : 2.8
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