Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Bubble-cap column Randomly packed column Packed column (stacked) Sieve-plate column Bubble-cap column Randomly packed column Packed column (stacked) Sieve-plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Extraction of coffee from its seed is done by Steam distillation Extractive distillation Liquid-liquid extraction Leaching Steam distillation Extractive distillation Liquid-liquid extraction Leaching ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Freundlich equation applies to the adsorption of solute from Concentrated solutions None of these Dilute solutions, over a small concentration range Gaseous solutions at high pressure Concentrated solutions None of these Dilute solutions, over a small concentration range Gaseous solutions at high pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) √(KL².DA) KL²/DA KL/DA² KL².DA √(KL².DA) KL²/DA KL/DA² KL².DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Increase 'G' and decrease 'S' Increase both 'G' and 'S' Increase 'S' and decrease 'G' Decrease both 'G' and 'S' Increase 'G' and decrease 'S' Increase both 'G' and 'S' Increase 'S' and decrease 'G' Decrease both 'G' and 'S' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Minimum reflux ratio in a distillation column results in Minimum number of trays Minimum reboiler size Optimum number of trays Maximum condenser size Minimum number of trays Minimum reboiler size Optimum number of trays Maximum condenser size ANSWER DOWNLOAD EXAMIANS APP