Question: clear answer please Question 3. [20 marks] The direction of heat transfer across a wall is showing by the red arrow. If the temperature difference

clear answer please
clear answer please Question 3. [20 marks] The direction of heat transfer

Question 3. [20 marks] The direction of heat transfer across a wall is showing by the red arrow. If the temperature difference between the top and bottom is 20 C and the thermal conductivity of the wall is 1.5 W/m.K, determine: a) The heat flux. (10 marks) b) The rate of heat transfer. (10 marks) (Assume H = 20 cm, W= 30 cm and L = 4 m) Figure 1: heat transfer across a wall

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