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Mass Transfer

Mass Transfer
The relative volatility of a binary mixture at the azeotropic composition is

∞
1
> 1

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Mass Transfer
In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter

< 8 : 1
< 6:1
> 4 :1
> 8:1

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Mass Transfer
Azeotropic distillation is employed to separate

Constant boiling mixture
Mixture with very high relative volatility
High boiling mixture
Heat sensitive materials

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

Unbound
Critical
Bound
Equilibrium

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Mass Transfer
With increase in temperature, the leaching rate increases because of the

Both Decreased viscosity of liquid & Increased diffusivity
Decreased viscosity of liquid
None of the listed here
Increased diffusivity

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Mass Transfer
Dorr thickener is an equipment used for

Clarification
Leaching
Classification
Sedimentation

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