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Statement of a problem № 3592

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A bar of copper and a bar of iron of equal length are welded together end to end and are lagged. Determine the temperature of the interface when the free end of the copper bar is at 100°C and the free end of the iron is at 0°C and the conditions are steady. Thermal conductivities: copper = 92, iron = 16 cal/m/s/°C.

Solution:
A bar of copper and a bar of iron of equal length are welded together end to end

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