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Mass Transfer

Mass Transfer
An azeotropic mixture is a __________ mixture.

None of these
Constant boiling point
Binary
Ternary

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

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

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Mass Transfer
When an unsaturated air-water mixture is heated at constant pressure, then

The specific humidity decreases
The relative humidity decreases
The relative humidity increases
The partial pressure of water vapour increases

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Mass Transfer
A minimum boiling azeotrope is exemplified by

None of these
Toluene-benzene
Acetone-carbon disulphide
Water-isobutyl alcohol

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

Packed
Plate
None of these
Centrifugal

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Mass Transfer
A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process?

Temperature of the solid
Flow rate of inlet air
Humidity of inlet air
Relative humidity of outlet air

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