Mechanical Engineering > GATE 2013 SET-4 > Radiation
Two large diffuse gray parallel plates, separated by a small distance, have surface temperatures of 400 K and 300 K. If the emissivities of the surfaces are 0.8 and the Stefan-Boltzmann constant is 5.67×10-8 W/m2K4, the net radiation heat exchange rate in kW/m2 between the two plates is
Correct : a
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