Mass Transfer To get high tray efficiency Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) Increases Remains unchanged Decreases None of these Increases Remains unchanged Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large weight of liquid retained Low weight per unit volume Large surface per unit volume Large free cross-section Large weight of liquid retained Low weight per unit volume Large surface per unit volume Large free cross-section ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Decreases linearly Increases Remains unaffected Decreases Decreases linearly Increases Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schmidt number is given by Re.Pe Μ/ρDAB Re/Pe Sh x Pe Re.Pe Μ/ρDAB Re/Pe Sh x Pe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant Increases exponentially Increases Remains unchanged Decreases Increases exponentially Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP