The dimension of the brick made in a factory are 7.5 cm (height) by 22.5 cm by 15 cm. The temperature of the brick leaving the kiln is 350°C and the brick is exposed to still air at 35°C. Calculate...

The dimension of the brick made in a factory are 7.5 cm (height) by 22.5 cm by 15 cm. The temperature of the brick leaving the kiln is 350°C and the brick is exposed to still air at 35°C. Calculate the instantaneous rate of cooling as the brick leaves the kiln.

Explain the heat transfer mechanism in a vertical rectangular cavity consisting of two isothermal parallel planes.