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1. |
The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is___________________? |
A. | More |
B. | Less |
C. | Some |
D. | Either more or less; depends on the nature of vapor |
Answer» D. Either more or less; depends on the nature of vapor | |