Mass Transfer Surface renewal model of mass transfer was enunciated by Stefan Fick Danckwerts Toor and Marchello Stefan Fick Danckwerts Toor and Marchello ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.0025 1.25 0.25 2.5 0.0025 1.25 0.25 2.5 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 ? Gas side Interfacial Liquid side Both liquid and gas side Gas side Interfacial Liquid side Both liquid and gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature. Equal to Less than Either A or B; depends on the solid More than Equal to Less than Either A or B; depends on the solid More than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The McCabe Δ L law states that the Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate does not depend on the crystal size Linear crystal growth rate depends on the crystal size Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate does not depend on the crystal size Linear crystal growth rate depends on the crystal size Molar heats of vaporisation of components are nearly equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The process employing desorption of the absorbed solute by a solvent is called Elution Osmosis Sublimation Reverse osmosis Elution Osmosis Sublimation Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP