A single pass air heater is connected to a two pass unit.... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of__________________?

Correct answer: A

Explanation

The film heat transfer coefficient is often proportional to the square root of the flow rate or related to the number of passes. Doubling the passes can significantly change this value.

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