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Mass Transfer

Mass Transfer
In case of liquids, the binary diffusivity is proportional to (where, T = temperature)

T
1/T
√T
T²

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Mass Transfer
Flash distillation is suitable for separating the constituents of a binary system, which

Form minimum boiling azeotrope
Have very wide boiling points
Have very close boiling points
Form constant boiling azeotrope

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Mass Transfer
__________ extractor is used for the concentration of radioactive nuclear waste.

Mixer-settler
Pulsed column
None of the listed here
Seive plate

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Mass Transfer
Which of the following is an undesirable property in a tower packing?

Large weight of liquid retained
Large surface per unit volume
Low weight per unit volume
Large free cross-section

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Mass Transfer
The relative volatility of a binary mixture at the azeotropic composition is

∞
1
> 1

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

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

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