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Mass Transfer

Mass Transfer
An azeotropic mixture is a __________ mixture.

Binary
Ternary
None of these
Constant boiling point

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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
Acetic acid will be most economically separated from a dilute solution of acetic acid in water by

Solvent extraction
Evaporation
Continuous distillation
Absorption

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Mass Transfer
At 750°K and 1 atm, the approximate value of Schmidt number for air is

10
0.01
1
0.1

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Mass Transfer
Drying operation under vacuum is carried out to

Dry materials having high bound moisture content
Increase drying temperature
Reduce drying temperature
Dry those materials which have very high unbound mositure content

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Mass Transfer
Pick out the system with minimum boiling azeotrope at 1 atm.

Benzene-toluene
Ethyl alcohol-water
Hydrochloric acid-water
All of these

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