Question: A condenser, as the heat exchanger shown in Fig P6.84 brings 1 lbm/s water flow at 1 lbf/in.2 from 500 F to saturated liquid at

A condenser, as the heat exchanger shown in Fig P6.84 brings 1 lbm/s water flow at 1 lbf/in.2 from 500 F to saturated liquid at 1 lbf/in.2. The cooling is done by lake water at 70 F that returns to the lake at 90 F. For an insulated condenser, find the flow rate of cooling water.

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