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

Question

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All A., B. and C.

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

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

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follows approximately the same path as the overflow fluid

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Must be large enough (usually 1/4&#8243; to 5/8&#8243; dia) to prevent plugging but should not deliver

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excessive amount of fluid during operation

Question #86367