Question 5: A wall of a house (see figure) is made up of several items arranged in series (one after another). The thermal resistance of the individual item is given in the table. If A wall of a house (see figure) is made up of individual item is given in the table. If 150 m2. The inside find: i) The total R-factor (2 Marks). ii) The total thermal resistance offered by the wall (2 Marks). iii) Rate of heat transfer through the wall (from outside to inside) ( 4 Marks)