Pick out the wrong statement

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Pick out the wrong statement.

A. The condensing film co-efficient is about 3 times lower for vertical condenser as compared to the equivalent horizontal condenser for identical situation

B. Film co-efficient for vaporisation decreases as a result of vapor binding

C. In industrial practice, sub-cooling of condensate is required, when the condensate is a volatile liquid and is to be transferred for storage

D. Overall heat transfer co-efficient in a heat exchanger is controlled by the value of the film co-efficient, which is higher

Answer: Option D

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