The diagram shows heat conduction through a plane wall. The surface temperature is 475 K and it radiates heat to the surroundings at 335 K. If thermal conductivity of the material is 12.5 W/m degree, find the temperature gradient. Let convective coefficient be 80 W/m² degree and radiation factor is 0.9

The diagram shows heat conduction through a plane wall. The surface te

1.	The diagram shows heat conduction through a plane wall. The surface temperature is 475 K and it radiates heat to the surroundings at 335 K. If thermal conductivity of the material is 12.5 W/m degree, find the temperature gradient. Let convective coefficient be 80 W/m² degree and radiation factor is 0.9
A.	– 1052.4 degree celsius
B.	– 2052.4 degree celsius
C.	– 3052.4 degree celsius
D.	– 4052.4 degree celsius
Answer» B. – 2052.4 degree celsius