Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively >1 and ≈ 1 0 and ≈ 1 < 1 and ≈ 1 1 and 0 >1 and ≈ 1 0 and ≈ 1 < 1 and ≈ 1 1 and 0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system) Decreases Remains unaffected Increases Increases Linearly Decreases Remains unaffected Increases Increases Linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) √P P 1/√P 1/P √P P 1/√P 1/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit operation involved in the prilling of urea is Drying Evaporation Crystallisation Both B and C Drying Evaporation Crystallisation Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pressure drop through plate tower as compared to that through packed tower, for the same duty will be Either A or B; depends on the packing height More Equal Less Either A or B; depends on the packing height More Equal Less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Deairation (removal of O₂) of water is done by Rectification Ion-exchange Adsorption Absorption Rectification Ion-exchange Adsorption Absorption ANSWER DOWNLOAD EXAMIANS APP
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