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What is the emissivity of the wall

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Reference no: EM131590970

The concrete wall of a building is 0.120 m thick. The temperature inside the building is 23.8 °C, while the temperature outside is 0.0 °C. Heat is conducted through the wall. The outside of the wall loses the energy only due to radiation. What is the emissivity of the wall?

Reference no: EM131590970

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