Mass Transfer According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity) μ 1/μ √μ μ² μ 1/μ √μ μ² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii) Composition of the residue remains unchanged More number of trays are required but the residue composition remains unchanged Less number of trays are required More number of trays are required and the residue composition is more dilute in methanol Composition of the residue remains unchanged More number of trays are required but the residue composition remains unchanged Less number of trays are required More number of trays are required and the residue composition is more dilute in methanol ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction Employs only one solvent Results in low interfacial tension None of the listed here Employs two solvents Employs only one solvent Results in low interfacial tension None of the listed here Employs two solvents ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Increase both 'G' and 'S' Increase 'S' and decrease 'G' Increase 'G' and decrease 'S' Decrease both 'G' and 'S' Increase both 'G' and 'S' Increase 'S' and decrease 'G' Increase 'G' and decrease 'S' Decrease both 'G' and 'S' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 to 5 1 5 to 10 > 10 1 to 5 1 5 to 10 > 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Freundlich equation applies to the adsorption of solute from Concentrated solutions Gaseous solutions at high pressure None of these Dilute solutions, over a small concentration range Concentrated solutions Gaseous solutions at high pressure None of these Dilute solutions, over a small concentration range ANSWER DOWNLOAD EXAMIANS APP
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