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k The temperature drop through each laye...

k The temperature drop through each layer of a two layer furnace wall is shown in figure. Assume that the external temperature T and Tz are maintained constant and T, > Tz. If the thickness of the layers X, and x, are the same, which of the following statements are correct. (A) k> kz (B) k < kg (C) ky = k, but heat flow through material (1) is larger then through (2) (D) k, = k, but heat flow through material (1) is less than that through (2) 3 1 X2

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