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Mass Transfer

Mass Transfer
Milk is dried usually in a __________ dryer.

Spray
Rotary
Freeze
Tray

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Mass Transfer
Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as

K ∝ D
K ∝ D2
K ∝ D1.5
K ∝ √D

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Mass Transfer
Which of the following is the most commonly used leaching solvent in vegetable oil industry?

Hexane
Liquid SO₂
Phenol
Furfurol

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Mass Transfer
Low viscosity absorbent is preferred for reasons of

Improved flooding characteristics
All of these
Rapid absorption rates and good heat transfer characteristics
Low pressure drop on pumping

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

None of the listed here
Uranium from its ore
Ammonia from coke oven gas
Water from petrol

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

Adsorption
Reverse osmosis
Absorption
Thermal diffusion

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