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Mass Transfer

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

Size
Durability
Porosity
Cost

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Mass Transfer
What is the reflux ratio at total reflux?

Zero
Data insufficient
Unity
Infinity

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Mass Transfer
Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation.

Steam
Molecular
Extractive
Simple

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

None of the listed here
Blow down
Drift
Vapor load

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Mass Transfer
Freundlich equation applies to the adsorption of solute from

None of these
Concentrated solutions
Dilute solutions, over a small concentration range
Gaseous solutions at high pressure

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Mass Transfer
The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is

1
5
10
100

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