Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) T² 1/T √T T T² 1/T √T T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De/t)1/2 (4De/πt)1/2 (4De/t) (De.t)1/2 (De/t)1/2 (4De/πt)1/2 (4De/t) (De.t)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer HETP is numerically equal to HTU, only when the operating line Lies above the equilibrium line And equilibrium lines are parallel Is far from the equilibrium line Lies below the equilibrium line Lies above the equilibrium line And equilibrium lines are parallel Is far from the equilibrium line Lies below the equilibrium line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Interfacial Liquid side Gas side Both liquid and gas side Interfacial Liquid side Gas side Both liquid and gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has Lower capacity of the solvent for the solute gas None of these Increased utilisation of stagnant zones of the liquid phase Lower adsorption rate Lower capacity of the solvent for the solute gas None of these Increased utilisation of stagnant zones of the liquid phase Lower adsorption rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air at a particular humidity is heated in a furnace. The new dew point Decreases Remain unchanged Depends on the extent of heating Increases Decreases Remain unchanged Depends on the extent of heating Increases ANSWER DOWNLOAD EXAMIANS APP
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