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Mass Transfer

Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

-0.6
1.5
-1.5
0.6

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Mass Transfer
L/mG is the expression for

Brinkman number
Slope of operating line in absorber
Slope of operating line in stripper
Absorption factor

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Mass Transfer
Heat sensitive materials with very high latent heat of vaporisation may be economically separated using

Evaporation
Absorption
Distillation
Liquid extraction

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Mass Transfer
The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its

Differential heat of adsorption
Heat of wetting
Heat of normal condensation
Integral heat of adsorption

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Mass Transfer
In rectifying section of a continuous distillation column, the

Vapour is enriched with high boilers
None of these
Vapour is enriched with low boilers
Liquid is stripped of high boilers

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Mass Transfer
With increase in temperature, the mutual solubility of two liquids

Increases
Remains unchanged
Decreases exponentially
Decreases

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