Question: Water at ) = ( 1 B t u l b m F is available for cooling at a rate of 4 0 0 l

Water at )=(1BtulbmF is available for cooling at a rate of 400lbmh. It enters a double-pipe counterflow heat exchanger with a total area of 18ft2. Oil, with Cp=0.45BtulbmF, enters the exchanger at 250F and a rate of 1370lbmh. Given the value of U=60Btuh*ft2*F, find the exiting water and oil temperatures.
Answer: 214F;144F
Water at ) = ( 1 B t u l b m F is available for

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