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