1.2 A concrete wall in a factory located in Canada has a thickness of 0.1 metres. The wall is exposed to a relatively cold breeze at a temperature of – 3.15°C through a convection heat transfer...

Extracted text: 1.2 A concrete wall in a factory located in Canada has a thickness of 0.1 metres. The wall is exposed to a relatively cold breeze at a temperature of – 3.15°C through a convection heat transfer coefficient of 40 W/m2K. On the other side is calm air at 330 K, with a natural- convection heat transfer coefficient of 10 W/m K. You are required to work out the rate of heat transfer per unit area.