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Mass Transfer

Mass Transfer
__________ columns are used for liquid dispersion in a continuous gas phase.

Packed
Sieve plate
Bubble cap
Pulse

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Mass Transfer
Rotary dryers cannot handle __________ materials.

Dry
Grannular
Free flowing
Sticky

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Mass Transfer
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.

Neither A nor B
Gas
Both A & B
Liquid

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Mass Transfer
In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raf-finate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg)

6.89
10
8.25
8.89

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

Packed
Plate
None of these
Centrifugal

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Mass Transfer
Dorr thickener is an equipment used for

Clarification
Classification
Leaching
Sedimentation

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