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Mass Transfer

Mass Transfer
The fixed cost of a distillation column at minimum reflux ratio is

Infinite
Minimum
Optimum
None of these

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Mass Transfer
The film penetration model of mass transfer was enunciated by

Fick
Stefan
Gilliland
Toor and Marchello

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Mass Transfer
For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be

2
3
1

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Mass Transfer
Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.

Porosity
Cost
Size
Durability

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Mass Transfer
COâ‚‚ can be absorbed by

Cold Ca(OH)â‚‚
Hot cupric oxide
Heated charcoal
Alumina

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Mass Transfer
Solvent used in extractive distillation

Is of low volatility
Forms a low boiling azeotrope
Does not alter the relative volatility of the original components
Forms a high boiling azeotrope

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