2. A 20 x 8 ft wall consists of 4 in of face brick (150 lb/ft), % in of cement mortar, 8 in. hollow clay tile, an airspa
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2. A 20 x 8 ft wall consists of 4 in of face brick (150 lb/ft), % in of cement mortar, 8 in. hollow clay tile, an airspa
2. A 20 x 8 ft wall consists of 4 in of face brick (150 lb/ft), % in of cement mortar, 8 in. hollow clay tile, an airspace 1' in wide, and wood lath and plaster totaling 4 in. (a) Find the U-factors for both winter and summer (b) Estimate the heat loss and gain from the wall assuming a location in Chicago, IL. Assume inside condition design at 70°F.
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