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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 coefficient,
which is higher

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

Last Updated: March 03, 2019