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Mass Transfer

Mass Transfer
When the psychometric ratio is __________ then the adiabatic saturation temperature and wet bulb temperature becomes equal.

?
1
> 1
< 1

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Mass Transfer
Which of the following is a suitable absorbent for removal of Hâ‚‚S from natural gas?

Dilute
Monoethanol amine (MEA)
Vetrocoke solution
Hot water

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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

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

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Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

+ve
∞
-ve

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Mass Transfer
The expression, y(1 - x)/x(1 - y) is for

Selectivity
Absorption factor
Relative volatility
Murphree efficiency

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Mass Transfer
__________ equation applies to diffusivities in liquids.

None of these
Hirschfelder
Gilliland
Wilke and Chang

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