Discuss the below:
Q: The steady-state temperature distribution in a composite plane wall of three different materials, each of constant thermal conductivity, is shown as follows.
(a) Comment on the relative magnitudes of qn2; and qn3 and of qn3 and qn4.
(b) Comment on the relative magnitudes of kA and k B and of k B and kC.
(c) Sketch the heat flux as a function of x.
