Mass Transfer In case of absorption with exothermic reaction, for fluids having Both A & B Pr = Sc ; there won Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Both A & B Pr = Sc ; there won Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when One of the liquid components has very high affinity towards the solvent Extracting solvent is cheaply & abundantly available Viscosity of liquid components is very high One of the liquid components is heat sensitive One of the liquid components has very high affinity towards the solvent Extracting solvent is cheaply & abundantly available Viscosity of liquid components is very high One of the liquid components is heat sensitive ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Avoid channelling Avoid flooding Reduce the overall pressure drop Reduce liquid hold-up Avoid channelling Avoid flooding Reduce the overall pressure drop Reduce liquid hold-up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Percolation None of these Decoction Elutriation or elution Percolation None of these Decoction Elutriation or elution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency Increases due to liquid entrainment Increases due to foaming Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid Increases due to liquid entrainment Increases due to foaming Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Pressure rises Temperature falls Temperature rises Pressure falls Pressure rises Temperature falls Temperature rises Pressure falls ANSWER DOWNLOAD EXAMIANS APP
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