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Mass Transfer

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

Bound
Equilibrium
Unbound
Critical

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Mass Transfer
For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be

1
3
2

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Mass Transfer
Mechanism of moisture removal in case of freeze drying of food stuff is by

Adsorption
Evaporation
Sublimation
Dehydration

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Mass Transfer
Flooding results in

High tray efficiency
Low tray efficiency
Good contact between the fluids
High gas velocity

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Mass Transfer
In case of non-ideal gases and liquids, the molal diffusivity

Is independent of pressure
Varies inversely as the pressure
Varies directly as the pressure
Is equal to the volumetric diffusivity

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

None of these
Benzene-ethyl alcohol
Ethyl alcohol-water
Acetone chloroform

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