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