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Engineering, 14.04.2020 21:40 daemonacoster

A thermocouple is embedded 10 mm from the surface of a thick slab of material initially at 30C. The surface was suddenly brought to a temperature of 100 C by exposure to boiling water. The thermocouple measures a temperature of 65C, 2 min after the surface is brought to 100C, what is its thermal conductivity of the material

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