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Mass Transfer

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

T
√T
1/T
T²

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Mass Transfer
Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

Rotary
Tunnel
Tray
Vacuum

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Mass Transfer
Sodium bicarbonate is produced during soda ash manufacture using a __________ tower.

Plate
Baffle
Packed
None of these

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Mass Transfer
As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages

Can either increase or decrease, depends on the system
Increase
Remain unchanged
Decrease

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Mass Transfer
The unit of volumetric diffusivity is

Cm²/seC₂
Cm²/sec
Cm/sec
Cm³/sec

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Mass Transfer
A binary mixture of benzene and cyclohexane is separated by

Solvent extraction
Flash vaporisation
Extractive distillation
Ordinary distillation

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