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Mass Transfer

Mass Transfer
The most common packing used in industrial operations is __________ rings.

Raschig
Cross-partition
Single spiral
Lessing

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Mass Transfer
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)

Decreases
Increases Linearly
Increases
Remains unaffected

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Mass Transfer
__________ column is used in gas absorption process.

Packed
Bubble cap
Seive/perforated tray
Wetted wall

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Mass Transfer
The binary diffusivity in gases does not depend upon the

None of the listed here
Pressure
Nature of the components
Temperature

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Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

-0.6
0.6
-1.5
1.5

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Mass Transfer
Low viscosity absorbent is preferred for reasons of

Improved flooding characteristics
Rapid absorption rates and good heat transfer characteristics
All of these
Low pressure drop on pumping

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