Mass Transfer The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its Differential heat of adsorption Integral heat of adsorption Heat of wetting Heat of normal condensation Differential heat of adsorption Integral heat of adsorption Heat of wetting Heat of normal condensation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials with very high latent heat of vaporisation may be economically separated using Evaporation Absorption Distillation Liquid extraction Evaporation Absorption Distillation Liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Ponchan-Savarit method Plate absorption column Enthalpy concentration method McCabe-Thiele method Ponchan-Savarit method Plate absorption column Enthalpy concentration method McCabe-Thiele method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. ) (1 + Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ri) = Ro/Ri (1 - Ro) = Ro/Ri (1 + Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ri) = Ro/Ri (1 - Ro) = Ro/Ri ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is Straight line Slightly concave downward Slightly concave upward None of these Straight line Slightly concave downward Slightly concave upward None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Dependent on the system; can be either lower or higher than Same as Always higher than Always lower than Dependent on the system; can be either lower or higher than Same as Always higher than Always lower than ANSWER DOWNLOAD EXAMIANS APP
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