Question: Cooling water is pulled from a lake by a pump, forced through a heat exchanger where it cools process fluids, and sent to a treatment

Cooling water is pulled from a lake by a pump, forced through a heat exchanger where it cools process fluids, and sent to a treatment plant before being returned to the lake. The lake water is at 19C and is pumped at a rate of 48 3/. The pumps motor uses 10.2 kW of energy. The water absorbs 315 kW of energy in the heat exchanger and is then routed to the treatment plant at the top of a hill 21 m above the lake. What is the final temperature of the water delivered to the treatment plant?

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