Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 > 10 1 to 5 5 to 10 1 > 10 1 to 5 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Always higher than Same as Always lower than Dependent on the system; can be either lower or higher than Always higher than Same as Always lower than Dependent on the system; can be either lower or higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is 0.4 0.2 0.25 0.175 0.4 0.2 0.25 0.175 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching rate is independent of the Agitation None of the listed here Particle size Temperature Agitation None of the listed here Particle size Temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of 1.5 -1.5 0.6 -0.6 1.5 -1.5 0.6 -0.6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Remains unaffected Increases Decreases Passes through a maximum Remains unaffected Increases Decreases Passes through a maximum ANSWER DOWNLOAD EXAMIANS APP