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Mass Transfer

Mass Transfer
__________ column is used in gas absorption process.

Seive/perforated tray
Bubble cap
Packed
Wetted wall

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Mass Transfer
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Peclet
Schmidt
Stanton
Sherwood

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

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

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Mass Transfer
Perforated plate towers are unique for solvent extraction because, they provide

Repeated coalescence & redispersion of the drop phase
Better contact of the phase
Higher contact area
None of these

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Mass Transfer
Water entrained by circulating air in cooling towers is termed as

Drift
Vapor load
Blow down
None of the listed here

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Mass Transfer
Reverse osmosis is also called

Ultrafiltration
Diffusion
Dialysis
Electrodilysis

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