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Mass Transfer

Mass Transfer
If f = moles of vapour present per mole of feed, then the slope of feed line is

- f/(1 - f)
- 1/f
(1 - f)/f
- (f - 1)/f

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Mass Transfer
Rate of leaching increases with increasing

Viscosity of solvent
Temperature
Pressure
Size of the solid

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Mass Transfer
The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an

Binary mixture
Ternary mixture
Insoluble binary system
Pure component

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Mass Transfer
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

Increased reflux ratio
None of these
Increased reboiler load
Greater degree of separation with a fixed number of trays

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Mass Transfer
In liquid-liquid extraction, the number of phases at plait point is

4
3
2
1

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Mass Transfer
______ is the separation technique used for desalination of sea water.

Reverse osmosis
Thermal diffusion
Adsorption
Absorption

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