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Mass Transfer

Mass Transfer
Humid volume, at a given temperature is a/an __________ function of humidity.

Inverse
Logarithmic
Linear
Exponential

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Mass Transfer
In liquid-liquid extraction, the number of phases at plait point is

4
2
3
1

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Mass Transfer
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be

Equal
More
Either A or B; depends on the packing height
Less

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

Weeping & dumping
All of these
Foaming
Entrainment

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Mass Transfer
Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty?

Bubble cap tower
Wetted wall tower
Grid tray tower
Perforated tray tower

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Mass Transfer
Steady state equimolal counter diffusion is encountered in

Absorption of NH₃ from air by water
Separation of a binary mixture by distillation
All liquid-liquid diffusion systems
All of these

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