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Q 6 - A wall is 6.1 m wide and 2.4 m high and has an overall heat-transfer coefficient of 0.40 W/(m2-C). It contains a

Q 6 - A wall is 6.1 m wide and 2.4 m high and has an overall heat-transfer coefficient of 0.40 W/(m2-C). It contains a solid urethane foam core steel door, 203 81 2 cm, and a double glass window, 305 76 cm. Assuming parallel heat-flow paths for the wall, door, and window, find the overall thermal resistance and overall heat-transfer coefficient for the combination.

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