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Mass Transfer

Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

-ve
∞
+ve

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

Lessing
Single spiral
Cross-partition
Raschig

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Mass Transfer
__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

Spray
Bubble
Tray
Packed

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Mass Transfer
Equilibrium-moisture curves of different solids

Are different
None of these
Depend on the humidity of the gas
Are same

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

Pressure
Nature of the components
None of the listed here
Temperature

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Mass Transfer
Which of the following is not a continuous leaching equipment?

Kennedy extractor
Bollman extractor
Hydrocyclones
Pachuka tank

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