Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Heat, momentum and mass Heat and momentum Mass and momentum Heat and mass Heat, momentum and mass Heat and momentum Mass and momentum Heat and mass ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the Heat of mixing is negligible None of these Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible None of these Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a distillation column operating at minimum reflux, the None of these Concentration of liquid and vapour leaving a plate will be same Number of plates required will be maximum Reflux ratio will be maximum None of these Concentration of liquid and vapour leaving a plate will be same Number of plates required will be maximum Reflux ratio will be maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Either A or B; depends on the gas Increases Decreases Remains same Either A or B; depends on the gas Increases Decreases Remains same 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 None of these Elutriation or elution Decoction Percolation None of these Elutriation or elution Decoction Percolation ANSWER DOWNLOAD EXAMIANS APP
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