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The outer surface of the grill hood shown in the figure is at 47°C and the emissivity is 0.93. The heat transfer coefficient for convection between the hood and the surroundings at 27°C is 10 W m-2K-1. Determine the net rate of heat transfer between the grill hood and the surroundings by convection and radiation, in kW m-2 of surface area.

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