Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 0.24 600 3.97 1 0.24 600 3.97 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Remains same Either A or B; depends on the gas Decreases Increases Remains same Either A or B; depends on the gas Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Decreases Increases Depends on the pressure of the system Remains unchanged Decreases Increases Depends on the pressure of the system Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials with very high latent heat of vaporisation may be economically separated using Liquid extraction Distillation Absorption Evaporation Liquid extraction Distillation Absorption Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tea percolation employs None of these Liquid-liquid extraction Absorption Leaching None of these Liquid-liquid extraction Absorption Leaching ANSWER DOWNLOAD EXAMIANS APP