An adequate clearance between the tray and the shell wall of a distill – McqOptions

MCQOPTIONS

1.	An adequate clearance between the tray and the shell wall of a distillation column is provided to
A.	drain the liquid from the tray when the unit is not in operation.
B.	allow for thermal expansion and facilitate installation.
C.	avoid back-trapping.
D.	none of these.
Answer» C. avoid back-trapping.

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