1.

%_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_%

A. 25°C
B. 30°C
C. 35°C
D. 40°C
Answer» D. 40¬¨‚àûC


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