A heat exchanger with heat transfer surface area A and overall heat transfer coe

Question

A heat exchanger with heat transfer surface area A and overall heat transfer coefficient U handles two fluids of heat capacities Cmax and Cmin. The number of transfer units (NTU) used in the analysis of heat exchanger is specified as

Options:

A . A.Cmin/U

B . U/A.Cmin

C . A.U.Cmin

D . A.U/Cmin

Answer: Option D

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