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Mass Transfer

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

T
T²
1/T
√T

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Mass Transfer
During drying operation, it is easier to remove the __________ moisture.

Bound
Unbound
Critical
Equilibrium

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

Baffle
Packed
Plate
None of these

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Mass Transfer
Swenson-Walker crystalliser is a __________ unit

Cooling (adiabatic)-cum-evaporation
Continuous
Semi-batch
Batch

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Mass Transfer
The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around

1
0.24
3.97
600

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Mass Transfer
Nitrobenzene (boiling point = 210.6°C) is steam distilled at 1 atm pressure.Nitrobenzene will distill off __________ °C.

At < 100
At > 210.6
None of the listed here
Between 100 and 210

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