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om the Internet lew Help Tell me what you want to do can contain viruses. Unless you need to edit, it's safer to stay in Protected View.Enable Editing all r 100 erature le Practice Problems erlor and Example 10: The exterior wall of a building consists of concrete blocks (k 1.6 Wm-1K1) of thickness 80 mm, and an insulation layer (k = 0.12 Wm-1K-1) of thickness 15 mm. The exterior surface of the concrete absorbs solar radiation at the rate 400 Wm-2. The outside and inside heat transfer coefficients are 20 Wm-2K-1 and 6 Wm-2K-1 respectively. The outside and inside air temperatures are 28°C and 18 C respectively. Calculate (i) the outside wall surface temperature and (i) the rate of heat flow into the air inside. [Answers: (i) 44.2°C, (ii) 76.5 Wm-2] e up of en studs. od are The tures of sulation the total and (i) the ing system nsulated on e thermal steam is steam he of the am is 2200 he sate 400 are 20 and inside at e

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Answer 1