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Mass Transfer

Mass Transfer
NSc/NPr is called the

Stantan number
Sherwood number
Lewis number
Psychrometric ratio

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Mass Transfer
Which of the following solutions will follow Raoult's law most closely?

A solution of benzene, toluene and oxylene
35% solution of camphor in water
35% solution of NH₃ in water
A solution of polar organic compounds (not of homologs of a series)

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Mass Transfer
Large scale drying of wheat is done in a __________ dryer.

Vacuum rotary
Fluidised bed
Spouted bed
Tray

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

Packed
None of these
Centrifugal
Plate

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Mass Transfer
Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture.

Free
Critical
Unbound
Bound

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Mass Transfer
__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

Tray
Bubble
Spray
Packed

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