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Mass Transfer

Mass Transfer
In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is

2
1
0.5
0.6

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

Schmidt
Peclet
Stanton
Sherwood

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Mass Transfer
Weight of 1 m³ of humid air as compared to 1 m³ of dry air, under the same conditions, is

Same
Less
Unpredictable
More

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Mass Transfer
During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the

None of these
Liquid film
Gas film
Liquid-gas interface

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Mass Transfer
Extraction of coffee from its seed is done by

Extractive distillation
Liquid-liquid extraction
Steam distillation
Leaching

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Mass Transfer
The unit of volumetric diffusivity is

Cm²/seC₂
Cm³/sec
Cm/sec
Cm²/sec

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