Saturated steam is allowed to condense over a vertical flat surface an – McqOptions

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1.	Saturated steam is allowed to condense over a vertical flat surface and the condensate film flows down the surface. The local coefficient of heat transfer for condensation
A.	Remains constant at all heights of the surface
B.	Decreases with increasing distance from the top of the surface
C.	Increases with increasing thickness of film
D.	Increases with increasing temperature differential between the surface and vapour
Answer» C. Increases with increasing thickness of film

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