Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Lewis number Sherwood number Prandtl number Schmidt number Lewis number Sherwood number Prandtl number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Of high viscosity to give high tray efficiency Of high volatility Added to alter the relative volatility of the mixture Present in overhead stream Of high viscosity to give high tray efficiency Of high volatility Added to alter the relative volatility of the mixture Present in overhead stream ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is Characterised by adsorption of heat Same as "Van der Waals" adsorption A reversible phenomenon An irreversible phenomenon Characterised by adsorption of heat Same as "Van der Waals" adsorption A reversible phenomenon An irreversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Large number of trays Large minimum liquid to gas (L/G) ratio Decreased solute solubility All of these Large number of trays Large minimum liquid to gas (L/G) ratio Decreased solute solubility All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Thermal energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Potential energy of the molecules Thermal energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Potential energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid flooding Reduce liquid hold up Avoid channeling Minimise the overall pressure drop Avoid flooding Reduce liquid hold up Avoid channeling Minimise the overall pressure drop ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS