Q271
The function of manholes provided in the shell of a distillation column is to
A.
Keep a check on the liquid gradient over the plate by direct visual observation
B.
Give access to the individual trays for cleaning, maintenance and installation
AnswerC.
Guard against foaming & entrainment by dumping antifoaming agent through it
D.
All of the above
Answer: Option B
Solution
Answer: Option B
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