Mass Transfer Penetration model (theory) for mass transfer was enunciated by Danckwerts Kissinevskii Toor and Marchello Higbie Danckwerts Kissinevskii Toor and Marchello Higbie ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Straight Parallel Neither A nor B Both A & B Straight Parallel Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) None of these Decreases Increases Remains unchanged None of these Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe At very high liquid flow rate In towers packed with stacked packing In towers packed randomly with crushed solids In dumped packing of regular units At very high liquid flow rate In towers packed with stacked packing In towers packed randomly with crushed solids In dumped packing of regular units ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Decrease both 'G' and 'S' Increase 'G' and decrease 'S' Increase 'S' and decrease 'G' Increase both 'G' and 'S' Decrease both 'G' and 'S' Increase 'G' and decrease 'S' Increase 'S' and decrease 'G' Increase both 'G' and 'S' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
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