The average heat transfer co-efficient for laminar film condensation on vertical

Question

The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film )

Options:

A . (ΔT)2

B . √ΔT

C . (ΔT)1/4

D . (ΔT)3/2

Answer: Option C

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