Mass Transfer With increase in temperature, the rate of leaching increases, because the Viscosity of solvent decreases Thermal conductivity of solute increases None of these Diffusivity of solute increases Viscosity of solvent decreases Thermal conductivity of solute increases None of these Diffusivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Very small quantity of solvent is required Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes ; if the reflux ratio is maximum Never Yes Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Never Yes Normally not; but is possible if infinite number of plates are put ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Milk is dried usually in a __________ dryer. Rotary Tray Freeze Spray Rotary Tray Freeze Spray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale drying of wheat is done in a __________ dryer. Vacuum rotary Fluidised bed Spouted bed Tray Vacuum rotary Fluidised bed Spouted bed Tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Partial pressure of the vapour to the vapour pressure of the liquid at room temperature None of these Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Partial pressure of the vapour to the vapour pressure of the liquid at room temperature None of these Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature ANSWER DOWNLOAD EXAMIANS APP