Question
a.
The slope of the stripping line is always less than unity.
b.
For a given separation in a binary distillation column, with increase in reflux ratio (above the minimum reflux ratio), the fixed cost of the distillation column first increases and then decreases.
c.
In Ponchon-Savarit method of no. of theoretical plate determination, the stripping and rectifying operating lines are vertical at total reflux.
d.
Kremsor-Brown-Souder's equation is used to calculate the efficiency of a plate tower.
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