Question: Saturated steam condenses over a vertical flat surface. Consider condensation happening as film condensation. In these conditions, the local coefficient of heat transfer for condensation:

Saturated steam condenses over a vertical flat surface. Consider condensation happening as film condensation. In these conditions, the local coefficient of heat transfer for condensation:

which one is correct? A , B, or C?

A. Remains constant from the top to the bottom of the vertical surface

B. Decreases with increasing distance from the top of the surface

C. Increases with increasing distance from the top of the surface

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