Mass Transfer Molecular diffusion is caused by the Thermal energy of the molecules Potential energy of the molecules Transfer of molecules from low concentration to high concentration region Activation energy of the molecules Thermal energy of the molecules Potential energy of the molecules Transfer of molecules from low concentration to high concentration region Activation energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency Increases due to foaming Increases due to liquid entrainment Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid Increases due to foaming Increases due to liquid entrainment Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Present in overhead stream Of high volatility Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Present in overhead stream Of high volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly None of these Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly None of these Cracks develop on the surface of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used for separation of high boiling Volatile impurity from still higher boiling substances none of the listed here Both of the options given here Substances from non-volatile impurities Volatile impurity from still higher boiling substances none of the listed here Both of the options given here Substances from non-volatile impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.079 0.122 0.152 0.048 0.079 0.122 0.152 0.048 ANSWER DOWNLOAD EXAMIANS APP