Mass Transfer Molecular diffusivity of a liquid Decreases with temperature Is independent of temperature Increases with temperature May increase or decrease with temperature Decreases with temperature Is independent of temperature Increases with temperature May increase or decrease with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Decolouration of yellow glycerene Dehumidification of air and gas Recovery of valuable solvent vapors from dilute mixture with air and other gases Removal of objectionable odour and impurities from industrial gases Decolouration of yellow glycerene Dehumidification of air and gas Recovery of valuable solvent vapors from dilute mixture with air and other gases Removal of objectionable odour and impurities from industrial gases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The caking of crystals can be prevented by Maintaining low critical humidity Maintaining high critical humidity Both A and C Coating the product with inert material Maintaining low critical humidity Maintaining high critical humidity Both A and C Coating the product with inert material ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Thermal conductivity of solute increases None of these Diffusivity of solute increases Viscosity of solvent decreases Thermal conductivity of solute increases None of these Diffusivity of solute increases Viscosity of solvent decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D0.5 D2 1/D D D0.5 D2 1/D D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Uses molal units for material and energy balance Can use any type of units Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Uses molal units for material and energy balance Can use any type of units Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition ANSWER DOWNLOAD EXAMIANS APP
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