Question: Consider a flat wall of thickness L = 0 . 2 m , thermal conductivity k = 1 . 2 W / mk . And

Consider a flat wall of thickness L =0.2m, thermal conductivity k =1.2W/mk. And a surface area A =15m^2. The two sides of the wall are maintained at constant temperatures T1=120 C and T2=50 C. Determine:
a) The value of the temperature when x= L/4; x= L/2 ; x=3L/4
b)Determine the heat flow under steady conditions.

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