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Polytechnic State University Sanluis Jan-2006 - Nov-2010
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Category > EngineeringPosted 10 May 2017My Price6.00
A sheet-metal box in the shape of a 0.70-m cube
A sheet-metal box in the shape of a 0.70-m cube has a surface emissivity of 0.7. The box encloses electronic equipment that dissipates 1200 W of energy. If the surroundings are taken to be black at 280 K, and the top and sides of the box are considered to radiate uniformly, what will be the temperature of the box surface?