Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The equipment used in the extraction of highly corrosive radio active liquids is Spray column Pulse column Mixer settler Baffle tower Spray column Pulse column Mixer settler Baffle tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During drying of a solid, the critical moisture content increases with Decreased drying rate Both B and C Increased thickness of the solid Increased drying rate Decreased drying rate Both B and C Increased thickness of the solid Increased drying rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 6 10 8 12 6 10 8 12 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Viscosity of solvent decreases Thermal conductivity of solute increases Diffusivity of solute increases None of these Viscosity of solvent decreases Thermal conductivity of solute increases Diffusivity of solute increases None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a two phase system is in physical equilibrium; then it means that, the Temperature of the liquid phase is equal to that of the vapor phase Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase Total pressure throughout the liquid phase is equal to that throughout the vapor phase All of these Temperature of the liquid phase is equal to that of the vapor phase Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase Total pressure throughout the liquid phase is equal to that throughout the vapor phase All of these ANSWER DOWNLOAD EXAMIANS APP
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