Mass Transfer With increase in temperature, the rate of leaching increases, because the Diffusivity of solute increases 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A binary mixture of benzene and cyclohexane is separated by Flash vaporisation Ordinary distillation Solvent extraction Extractive distillation Flash vaporisation Ordinary distillation Solvent extraction Extractive distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Increasing the vapour flow rate Use of increased tray spacing Increasing the liquid flow rate Using higher reflux ratio Increasing the vapour flow rate Use of increased tray spacing Increasing the liquid flow rate Using higher reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The unit of volumetric diffusivity is Cm²/sec Cm³/sec Cm/sec Cm²/seC₂ Cm²/sec Cm³/sec Cm/sec Cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bollman extractor Employs only counter-current extraction Is a centrifugal extractor Is a static bed leaching equipment Is used for extraction of oil from oilseed Employs only counter-current extraction Is a centrifugal extractor Is a static bed leaching equipment Is used for extraction of oil from oilseed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, 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 Surface evaporation of unbound moisture occurs None of these ANSWER DOWNLOAD EXAMIANS APP
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