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rate of 1.5 kg/s. The diameter of the tube is 2.5 cm, and its length is 6 m. Let the water inlet temperature vary from 5C to 25C. Identify the graph that depicts the overall heat transfer coefficient as a function of the inlet temperature A thin walled double pipe counter flow heat exchanger is to be used to cool oil (c,-2200 J/kgK) from 150°C to 40°C at a rate of 2 kg/s by water (cp = 4180 J/kgK) that enters at 22 C at つ26 21 Tw, in [C

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