14. In a distillation column, the temperature is the lowest at the feed position, because the stream has to be cooled do

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14. In a distillation column, the temperature is the lowest at the feed position, because the
stream has to be cooled down before entering the column. [............]
15. Optimum feed stage should be positioned in a stage to have the optimum design of the
column, which means the fewest total number of stages. [.........]
16. L/D is the physical meaning of minimum reflux ratio inside a distillation column.
I.... ... ....]