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Mass Transfer

Mass Transfer
__________ diffusion is used for separating the isotopes of methane.

Force
Thermal
Concentration
Pressure

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Mass Transfer
The diffusivity (D) in a binary gas mixture is related to the temperature (T) as

D ∝ T
D ∝ T1.5
D ∝ T2
D ∝ T0.5

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Mass Transfer
Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation.

Steam
Simple
Extractive
Molecular

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Mass Transfer
Which of the following is a suitable absorbent for removal of H₂S from natural gas?

Dilute
Monoethanol amine (MEA)
Vetrocoke solution
Hot water

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Mass Transfer
The recovery of pencillin from the acidified fermentation broth is done by

Evaporation
Distillation
Liquid extraction
Absorption

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Mass Transfer
Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.

100
78
50
None of these

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