Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the distillation column.

Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up
None of these
If sufficient slot area is not provided, the gas may pass through the skirt clearance
The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles

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Process Equipment and Plant Design
Overall tray efficiency of a distillation column is the ratio of the number of

Ideal trays required to the number of real trays required
Overall gas transfer units to the number of ideal trays required
Real trays required to the number of ideal trays required
None of these

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