4315Chemical EngineeringMedium
The heat flux (from outside to inside) across an insulating wall with thermal conductivity, K = 0.04 W/m.°K and thickness 0.16m is 10 W/m2. The temperature of the inside wall is – 5°C. The outside wall temperature is________?
A40°C
B35°C
C30°C
D25°C
Correct answer
B. 35°C
Explanation
The correct answer is 35°C.