Q1-Q4: The temperature distribution in a plane wall is given by 7(x) = ax + b. Here, a, and b are some constants. The wall thickness is L and thermal conductivity is k. Answer the Q1-Q3 in terms of a, b, k, and L Ti Q1: What is the temperature at the midpoint of the wall? Tx= a (L-D) +b 7(V) = ax TLX) Q2: What is the temperature gradient dT/dx? 2-k dT TA dx - 2V=KTIET KAT Q3: What is the conduction heat flux? 1 7-71 L dt dix : 9 KAT-T = A 04:1fa = 200 K/m, b=240K, k-40 compute the heat rate across the wall and state its direction. L-0.2m, and the wall depth W-10m and height H-3m. Ts 2nd" 12 me ... 11--A (T - T) + = (T-T") = hr (T-7sur)