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Mass Transfer

Mass Transfer
__________ column is used in gas absorption process.

Wetted wall
Bubble cap
Seive/perforated tray
Packed

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

Penetration
Film
Surface renewal
None of the listed here

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Mass Transfer
The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the

Heat of wetting
None of these
Differential heat of adsorption
Integral heat of adsorption

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Mass Transfer
Reboiler is considered as one theoretical plate, because

Of the assumption that vapour and liquid leaving the reboiler are in equilibrium
Vapour is recycled to the column
Reboiler itself contains one plate
None of these

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Mass Transfer
Degree of freedom for leaching and solvent extraction process is

2
3
1

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Mass Transfer
Wetted wall tower experiment determines the

Molal diffusivity
None of these
Mass transfer co-efficient
Volumetric co-efficient

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