Mass Transfer
The reciprocal of stripping factor is termed as

Murphree efficiency
Relative volatility
Absorption factor
Selectivity index

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Mass Transfer
Which of the following processes is not an example of adsorption applied to gaseous separations?

Dehumidification of air and gas
Decolouration of yellow glycerene
Recovery of valuable solvent vapors from dilute mixture with air and other gases
Removal of objectionable odour and impurities from industrial gases

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Mass Transfer
Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer co-efficient based on the liquid side for dilute systems for the above was estimated to be 4 x 10⁻³ kg mole/m².s. The equilibrium data for the system is given as y = 2x. The flux across the interface (in kg mole/m² .s) for bulk concentrations of A in gas phase and liquid phase as y = 0.4 and x = 0.01 respectively is

8.5 x 10⁻⁴
5.6 x 10⁻⁴
8.5 x 10⁻³
5.6 x 10⁻³

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Mass Transfer
For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.

Binary mixture is represented by the apex
Ternery mixture is represented by the sides
Pure component is represented by the apex
Binary mixture is represented by any point inside

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