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Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 5 (Q.No. 40)
Heat Transfer
40.
Pick out the wrong statement.
The condensing film co-efficient is about 3 times lower for vertical condenser as compared to the equivalent horizontal condenser for identical situation.
Film co-efficient for vaporisation decreases as a result of vapor binding.
In industrial practice, sub-cooling of condensate is required, when the condensate is a volatile liquid and is to be transferred for storage.
Overall heat transfer co-efficient in a heat exchanger is controlled by the value of the film co-efficient, which is higher.
Answer: Option
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