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Mass Transfer

Mass Transfer
Mass transfer co-efficient varies as DAB0.5, according to the __________ theory.

None of these
Film
Surface renewal
Penetration

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Mass Transfer
For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will

Increase
Data insufficient, can't be predicted
Decrease
Remain same

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

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

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Mass Transfer
Mass transfer co-efficient is directly proportional to DAB0.5, according to __________ theory.

None of these
Penetration
Surface renewal
Film

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Mass Transfer
L/mG is the expression for

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

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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

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

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