Find the gas phase mass transfer co-efficient for a unbound moisture to remove i

Question

Find the gas phase mass transfer co-efficient for a unbound moisture to remove if the flux is 5 kg/sq.m sec and the difference in humidity of the liquid and the main stream is 0.5 units.

Options:

A . 5

B . 10

C . 20

D . 30

Answer: Option B
Answer: (b).10

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