Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not change with time Increases with time Decreases with time Does not affect the moisture content of the wet solid Does not change with time Increases with time Decreases with time Does not affect the moisture content of the wet solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Surface evaporation of unbound moisture occurs None of these Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate Surface evaporation of unbound moisture occurs None of these Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the None of these Liquids are not always at their bubble points Driving force for the vapour flow is the pressure drop Pressure increases gradually from bottom to the top of the column None of these Liquids are not always at their bubble points Driving force for the vapour flow is the pressure drop Pressure increases gradually from bottom to the top of the column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency in a distillation column is reduced due to the __________ of liquid. Entrainment Weeping & dumping All of these Foaming Entrainment Weeping & dumping All of these Foaming ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Thermal conductivity of solute increases Viscosity of solvent decreases None of these Diffusivity of solute increases Thermal conductivity of solute increases Viscosity of solvent decreases None of these Diffusivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
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