Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require Low reflux ratio High reflux ratio Less number of trays Small cross-section column Low reflux ratio High reflux ratio Less number of trays Small cross-section column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low Time of contact between the two phases should be less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the 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 Diffusivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weight of 1 m³ of humid air as compared to 1 m³ of dry air, under the same conditions, is More Same Unpredictable Less More Same Unpredictable Less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative saturation of an unsaturated mixture of gas and vapor is independent of the Temperature of the mixture Composition of the mixture Nature of the vapor None of these Temperature of the mixture Composition of the mixture Nature of the vapor None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration model (theory) for mass transfer was enunciated by Danckwerts Kissinevskii Toor and Marchello Higbie Danckwerts Kissinevskii Toor and Marchello Higbie ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS