*/*_A designer chooses the values of fluid flow rates and specific heats in such a manner that the heat capacities of the two fluids are equal. A hot fluid enters the counter flow heat exchanger at 100¬¨‚àûC and leaves at 60¬¨‚àûC. A cold fluid enters the heat exchanger at 40¬¨‚àûC. The mean temperature difference between the two fluids is?

*/*_A designer chooses the values of fluid flow rates and specific hea

1.	/_A designer chooses the values of fluid flow rates and specific heats in such a manner that the heat capacities of the two fluids are equal. A hot fluid enters the counter flow heat exchanger at 100¬¨‚àûC and leaves at 60¬¨‚àûC. A cold fluid enters the heat exchanger at 40¬¨‚àûC. The mean temperature difference between the two fluids is?
A.	20¬¨‚àûC
B.	40¬¨‚àûC
C.	60¬¨‚àûC
D.	66.7¬¨‚àûC
Answer» B. 40¬¨‚àûC

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