Mass Transfer
Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent

A pure component
A ternary mixture
Partially miscible ternary system
A binary mixture

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Mass Transfer
Molecular diffusion is caused by the

Potential energy of the molecules
Transfer of molecules from low concentration to high concentration region
Activation energy of the molecules
Thermal energy of the molecules

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Mass Transfer
Channelling is most severe

In dumped packing of regular units
At very high liquid flow rate
In towers packed randomly with crushed solids
In towers packed with stacked packing

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