Mass Transfer In azeotropic mixture, the equilibrium vapour composition is More than liquid composition Less than liquid composition None of the listed here Same as liquid composition More than liquid composition Less than liquid composition None of the listed here Same as liquid composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Equal to the heat of wetting Zero Equal to the heat of formation of surface compound Called integral heat of adsorption Equal to the heat of wetting Zero Equal to the heat of formation of surface compound Called integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 to 5 > 10 1 5 to 10 1 to 5 > 10 1 5 to 10 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 and the residue composition is more dilute in methanol Less number of trays are required More number of trays are required but the residue composition remains unchanged Composition of the residue remains unchanged More number of trays are required and the residue composition is more dilute in methanol Less number of trays are required More number of trays are required but the residue composition remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer (NSh/NRe.NSc) is termed in mass transfer operation as the Peclet number Momentum diffusivity Thermal diffusivity Stanton number Peclet number Momentum diffusivity Thermal diffusivity Stanton number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is defined as None of the listed here Co-efficient = Flux/concentration difference Flux=concentration difference/co-effi-cient Flux = Co-efficient/concentration difference None of the listed here Co-efficient = Flux/concentration difference Flux=concentration difference/co-effi-cient Flux = Co-efficient/concentration difference ANSWER DOWNLOAD EXAMIANS APP
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