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A heat exchanger has the following temperatures: Hot stream in: 78 C Hot stream out: 31 C Cold stream in: 6 C Cold stream

A heat exchanger has the following temperatures: Hot stream in: 78 C Hot stream out: 31 C Cold stream in: 6 C Cold stream out: 22 C What is the ratio of the log mean temperature for the counterflow case divided by that for the parallel-flow case ratio = ATLM,counterflow ATLM parallel flow Use three significant figures in your answer.

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