Mass Transfer Flooding results in High tray efficiency Good contact between the fluids Low tray efficiency High gas velocity High tray efficiency Good contact between the fluids Low tray efficiency High gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively < 1 and ≈ 1 1 and 0 >1 and ≈ 1 0 and ≈ 1 < 1 and ≈ 1 1 and 0 >1 and ≈ 1 0 and ≈ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Increases the scale forming tendencies of water Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Increases the scale forming tendencies of water Is undesirable ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction None of the listed here Employs two solvents Employs only one solvent Results in low interfacial tension None of the listed here Employs two solvents Employs only one solvent Results in low interfacial tension ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials with very high latent heat of vaporisation may be economically separated using Distillation Evaporation Absorption Liquid extraction Distillation Evaporation Absorption Liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following unit operations makes use of Thiele-Geddes equation? Solid-liquid extraction Liquid-liquid extraction Multicomponent absorption with chemical reaction Multicomponent distillation Solid-liquid extraction Liquid-liquid extraction Multicomponent absorption with chemical reaction Multicomponent distillation ANSWER DOWNLOAD EXAMIANS APP
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