Mass Transfer Design calculation for multiple component distillation is done by Tray to tray calculations Ponchon-Savarit method Enthalpy concentration method Mccabe-Thiele method Tray to tray calculations Ponchon-Savarit method Enthalpy concentration method Mccabe-Thiele method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D K ∝ D1.5 K ∝ D2 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 71 min 51 min 94 min 15 min 71 min 51 min 94 min 15 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not change with time Does not affect the moisture content of the wet solid Increases with time Decreases with time Does not change with time Does not affect the moisture content of the wet solid Increases with time Decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the reflux ratio at total reflux? Zero Infinity Unity Data insufficient Zero Infinity Unity Data insufficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Physical properties Degree of turbulence Chemical properties Interfacial area Physical properties Degree of turbulence Chemical properties Interfacial area ANSWER DOWNLOAD EXAMIANS APP
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