Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) √(KL².DA) KL²/DA KL².DA KL/DA² √(KL².DA) KL²/DA KL².DA KL/DA² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Both B and C Vapour pressure Freezing point Boiling point Both B and C Vapour pressure Freezing point Boiling point 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. Either A or B; depends on the solid More than Equal to Less than Either A or B; depends on the solid More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Surface renewal model of mass transfer was enunciated by Danckwerts Fick Stefan Toor and Marchello Danckwerts Fick Stefan Toor and Marchello 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 ? Both liquid and gas side Liquid side Interfacial Gas side Both liquid and gas side Liquid side Interfacial Gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An example of elutioh is Dissolution of tannin out of tree barks by water Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank Separation of sugar from sugar beet by hot water Recovery of vegetable oils from seeds Dissolution of tannin out of tree barks by water Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank Separation of sugar from sugar beet by hot water Recovery of vegetable oils from seeds ANSWER DOWNLOAD EXAMIANS APP