Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Decreases linearly Increases Decreases Remains same Decreases linearly Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Selectivity of the solvent used in solvent extraction should be < 1 > 1 1 < 1 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be 10 metres above ground 2 metres above the ground At ground level 5 metres above ground 10 metres above ground 2 metres above the ground At ground level 5 metres above ground ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is 1.56 2 1 0.56 1.56 2 1 0.56 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Momentum flux Thermal diffusivity Both Momentum flux & Kinematic viscosity Kinematic viscosity Momentum flux Thermal diffusivity Both Momentum flux & Kinematic viscosity Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ P0.5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS