Mass Transfer Gaseous diffusion co-efficient increases with increase in the Temperature Pressure Both Pressure & Temperature None of the listed here Temperature Pressure Both Pressure & Temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Thermal diffusivity Both Momentum flux & Kinematic viscosity Momentum flux Kinematic viscosity Thermal diffusivity Both Momentum flux & Kinematic viscosity Momentum flux Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed Is computed from the intercept of the operating line Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed Is computed from the intercept of the operating line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Only vapor phase follows Raoult's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Only liquid phase obeys Dalton's law Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Only vapor phase follows Raoult's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Only liquid phase obeys Dalton's law ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Increase in air humidity Decrease in air temperature Neither A nor B Both A & B Increase in air humidity Decrease in air temperature Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by Neither A nor B Both A & B Lowering the total pressure Raising the temperature Neither A nor B Both A & B Lowering the total pressure Raising the temperature ANSWER DOWNLOAD EXAMIANS APP
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