LMTD for Evaporators & Condensers for a Given Terminal Parameters

question 18

Multiple Choice

LMTD for evaporators & condensers for a given terminal parameters & set of conditions for counter-flow 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.

• A)Parallel
• B)Mixed
• C)Counter flow
• D)Same in either 'a', b' or 'c'

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