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