Mass Transfer
The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model.

None of the listed here
Plug
Both plug & perfectly mixed
Perfectly mixed

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Mass Transfer
A coalescer in a mixer-settler liquid-liquid extraction coloumn

Comprises of thin bed of substances of extended surface having high porosity
All of these
Helps in increasing the bubble size entering the settler
Helps in increasing the settling rate of the bubbles

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