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