1.

In certain heat exchanger, both the fluids have identical mass flow rate-specific heat product. The hot fluid enters at 76°C and leaves at 47°C and the cold fluid entering at 28°C leaves at 57°C. The effectiveness of the heat exchanger is

A. 0.16
B. 0.6
C. 0.72
D. 1
Answer» C. 0.72


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