Below picture shows the composite wall block diagram. Calculate the thermal resistance of each blocks of A, B and C. Draw the thermal circuit diagram for the below composite blocks and hence find the heat flow rate at steady state in the given direction. Heat capacities of materials A, B and C are 120 W/ m C, 40 W/ m C and 20 W/ m C respectively.

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Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.