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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.

Durability
Cost
Porosity
Size

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Mass Transfer
Boiling point diagram is

A plot of temperature vs. liquid composition
A plot of temperature vs. vapour composition
Affected by pressure
Not affected by pressure

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Mass Transfer
Which of the following equipments is not used for gas dispersion?

Spray towers
Perforated sieve tray towers
Bubble cap tray towers
Agitated vessels

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Mass Transfer
Nitrobenzene (boiling point = 210.6°C) is steam distilled at 1 atm pressure.Nitrobenzene will distill off __________ °C.

At < 100
At > 210.6
None of the listed here
Between 100 and 210

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Mass Transfer
Plate efficiency in a distillation column is reduced due to the __________ of liquid.

Weeping & dumping
Entrainment
Foaming
All of these

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

Stefan
Gilliland
Fick
Toor and Marchello

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