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In a counter flow heat exchanger between two fluids, fluid-1 enters and leaves the heat exchanger at 70C and 40C respectively. While the fluid-2

  

In a counter flow heat exchanger between two fluids, fluid-1 enters and leaves the heat exchanger at 70C and 40C respectively. While the fluid-2 enters and leaves the heat exchanger at 30C and 50C respectively. Find the log mean temperature difference. Answer Choices: Answer a. 5.65 C b. 14.43 C c. 19.52 C d. 20.17 C O A O B OC D

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