Question: Steam is to be condensed on the shell side of a heat exchanger at 120F. Cooling water enters the tubes at 60F at a rate

Steam is to be condensed on the shell side of a heat exchanger at 120°F. Cooling water enters the tubes at 60°F at a rate of 115.3 lbm/s and leaves at 73°F. Assuming the heat exchanger to be well-insulated, determine
(a) The rate of heat transfer in the heat exchanger and
(b) The rate of energy destruction in the heat exchanger. Take T0 = 77°F.

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