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Answer to Question #71987 in Molecular Physics | Thermodynamics for maged

Question #71987
A furnace wall consists of 250 mm firebrick, 125 mm insulating brick,
and 250 mm building brick. At the inner wall, the temperature is
measured to be 600° C and the atmospheric temperature is 20'C. The
heat transfer coefficient for the outside surface is 10 W/m2
.K, and
the thermal conductivities of the firebrick, insulating brick and the
building brick are 1.4, 0.2, and 0.7 W jm.K respectively. Neglecting
radiation, calculate the rate of heat loss per unit wall surface area, and
the temperature of the outside wall surface of the furnace
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