Weep holes provided in the plates of a distillation column ____________________?

A. Must be large enough (usually 1/4? to 5/8? dia) to prevent plugging but should not deliver

B. lows approximately the same path as the overflow fluid

C. All A., B. and C.

D. Facilitate draining out liquid from a tray when the unit is not in operation

E. essive amount of fluid during operation

F. Are normally located near the overflow weir so that any delivery of liquid during operation

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