LMTD for evaporators & condensers for a given terminal parameters & set of condi

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Question

LMTD for evaporators & condensers for a given terminal parameters & set of conditions for counterflow is equal to that for parallel flow. In such heat exchangers, with one of the fluids condensing or evaporating, the surface area required is the least in the __________ flow.

Options:

A . Parallel

B . Mixed

C . Counterflow

D . Same in either A, B or C

Answer: Option D

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