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2 Two surfaces of a plane wall of 15cm thickness and 5 m´ area are maintained at 240°C and 90°C respectively. Determine the heat transfer between the surfaces and temperature gradient across the wall if conductivity of the wall material is18.5 W/(m-K).

2 Two surfaces of a plane wall of 15cm thickness and 5 m´ area are maintained at 240°C and 90°C respectively. Determine the heat transfer between the surfaces and temperature gradient across the wall if conductivity of the wall material is18.5 W/(m-K).

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1. Two surfaces of a plane wall of 15cm thickness and 5 m´ area are maintained at 240°C and 90°C respectively. Determine the heat transfer between the surfaces and temperature gradient across the wall if conductivity of the wall material is18.5 W/(m-K).
Transcribed Image Text:1. Two surfaces of a plane wall of 15cm thickness and 5 m´ area are maintained at 240°C and 90°C respectively. Determine the heat transfer between the surfaces and temperature gradient across the wall if conductivity of the wall material is18.5 W/(m-K).
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