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Mass Transfer

Mass Transfer
Milk is dried usually in a __________ dryer.

Spray
Tray
Freeze
Rotary

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

Thermal diffusion
Adsorption
Absorption
Reverse osmosis

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Mass Transfer
The recovery of pencillin from the acidified fermentation broth is done by

Liquid extraction
Distillation
Absorption
Evaporation

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Mass Transfer
The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its

Heat of normal condensation
Heat of wetting
Integral heat of adsorption
Differential heat of adsorption

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Mass Transfer
At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.

Maximum permissible
Operating
Minimum
Total

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Mass Transfer
For a distillation column operating at minimum reflux, the

Concentration of liquid and vapour leaving a plate will be same
Reflux ratio will be maximum
Number of plates required will be maximum
None of these

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