Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Increase Decrease Can either increase or decrease, depends on the system Remain unchanged Increase Decrease Can either increase or decrease, depends on the system Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Schmidt number which is defined as, μ/ρ D, is the ratio of the Thermal diffusivity to the mass diffusivity Momentum diffusivity to the mass dif-fusivity Momentum diffusivity to the thermal diffusivity None of these Thermal diffusivity to the mass diffusivity Momentum diffusivity to the mass dif-fusivity Momentum diffusivity to the thermal diffusivity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of a desorber (stripper), the Operating line always lies above the equilibrium curve Temperature remains unaffected Temperature always increases Operating line always lies below the equilibrium curve Operating line always lies above the equilibrium curve Temperature remains unaffected Temperature always increases Operating line always lies below the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Increases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Increases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be < 1 > 1 1 ≤ 1 < 1 > 1 1 ≤ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The caking of crystals can be prevented by Coating the product with inert material Maintaining low critical humidity Maintaining high critical humidity Both A and C Coating the product with inert material Maintaining low critical humidity Maintaining high critical humidity Both A and C ANSWER DOWNLOAD EXAMIANS APP