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Mass Transfer

Mass Transfer
Sodium bicarbonate is produced during soda ash manufacture using a __________ tower.

Packed
None of these
Baffle
Plate

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Mass Transfer
Dorr thickener is an equipment used for

Classification
Sedimentation
Leaching
Clarification

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Mass Transfer
Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. )

(1 + Ro) = Ro/Ri
(1 - Ro) = Ro/Ri
(1 - Ri) = Ro/Ri
(1 + Ri) = Ro/Ri

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Mass Transfer
__________ is concerned with the adsorption equilibria.

Fick's law
Freundlich equation
Gibb's equation
None of these

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Mass Transfer
Which of the following employs an accessory known as 'drift eliminator' ?

Multiple effect evaporator
Rotating disc contactor
Mechanical draft cooling tower
Rotary dryer

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Mass Transfer
Absorption accompanied with chemical reaction is exemplified by the absorption of

All of these
Benzol present in coke oven gas by wash oil
SO₂ in alkaline solution
Ammonia in water

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