Mass Transfer Penetration model (theory) for mass transfer was enunciated by Danckwerts Toor and Marchello Higbie Kissinevskii Danckwerts Toor and Marchello Higbie Kissinevskii ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe Gas velocity should be very low ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a single component absorber, the operating line is straight only when plotted in term of __________ units. Mole fraction None of these Mole ratio Partial pressure Mole fraction None of these Mole ratio Partial pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the 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 None of these Driving force for the vapour flow is the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? None of these Low vapor pressure Low viscosity High gas solubility None of these Low vapor pressure Low viscosity High gas solubility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the intercept of the operating line Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio Is computed from the intercept of the operating line Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
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