Mass Transfer In physical terms, Schmidt number means Mass diffusivity/thermal diffusivity Thermal diffusivity/mass diffusivity Thermal diffusivity/momentum diffusivity Momentum diffusivity/mass diffusivity Mass diffusivity/thermal diffusivity Thermal diffusivity/mass diffusivity Thermal diffusivity/momentum diffusivity Momentum diffusivity/mass diffusivity 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 Interfacial area Chemical properties Degree of turbulence Physical properties Interfacial area Chemical properties Degree of turbulence ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (4De/t) (De.t)1/2 (4De/πt)1/2 (De/t)1/2 (4De/t) (De.t)1/2 (4De/πt)1/2 (De/t)1/2 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%). 15 min 71 min 51 min 94 min 15 min 71 min 51 min 94 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Is independent of temperature Decreases with temperature May increase or decrease with temperature Increases with temperature Is independent of temperature Decreases with temperature May increase or decrease with temperature Increases with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropism for ethyl alcohol-water system disappears by No means Decreasing pressure Increasing temperature Increasing pressure No means Decreasing pressure Increasing temperature Increasing pressure ANSWER DOWNLOAD EXAMIANS APP
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