In a production facility, 3-cm-thick large brass plates (k = 110 W/m ¡P ¢XC, ƒâ = 8530 kg/m3, Cp = 380 J/kg ¡P ¢XC, and ƒÑ = 33.9 x 10-6 m2/s) that are initially at a uniform temperature of 25¢XC are heated by passing them through an oven maintained at 700¢XC. The plates remain in the oven for a period of 10 min. Taking the convection heat transfer coefficient to be h = 80 W/m2¡P¢XC, determine the surface temperature of the plates when they come out of the oven.
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