Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T T⁴ √T T² T T⁴ √T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are regenerated by heating to __________ °C. > 1000 200-330 < 150 > 500 > 1000 200-330 < 150 > 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of solid-liquid extraction is limited by the Diffusion of the solute through the solvent in the pores to the outside of the particle Phase change of the solute as it dissolves in the solvent All of these Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution Diffusion of the solute through the solvent in the pores to the outside of the particle Phase change of the solute as it dissolves in the solvent All of these Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is Most useful for handling binary systems Same as differential distillation Used for multicomponent systems like crude refining Same as simple distillation Most useful for handling binary systems Same as differential distillation Used for multicomponent systems like crude refining Same as simple distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is the optimum reflux ratio Is computed from the intercept of the operating line Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio Is computed from the intercept of the operating line Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Increases Exponentially increases Decreases Does not affect Increases Exponentially increases Decreases Does not affect ANSWER DOWNLOAD EXAMIANS APP
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