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An adiabatic counterflow heat exchanger receives 0.3 m3/s of saturated steam vapor at 200 kPa and...

An adiabatic counterflow heat exchanger receives 0.3 m3/s of saturated steam vapor at 200 kPa and condenses it to a saturated liquid on the shell side.   Water enters the tubes at 25 C and leaves at 40 C.   Determine the second law efficiency for the heat exchanger.

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