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1. |
For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively h f and h d , then |
A. | h f = h d |
B. | h f > h d |
C. | h f < h d |
D. | h f could be greater or smaller than h d |
Answer» D. h f could be greater or smaller than h d | |