Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Increased relative volatility Very efficient operation Thermal decomposition of bottoms Erosion of the tower Increased relative volatility Very efficient operation Thermal decomposition of bottoms Erosion of the tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is 9.21 0.001 4.605 100 9.21 0.001 4.605 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in pressure, the relative volatility for a binary system Either A or B, depends on the system Increases Decreases Remains same Either A or B, depends on the system Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Neither A nor B Degree of ideality Both A & B Viscosity Neither A nor B Degree of ideality Both A & B Viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Bubble cap tower Perforated tray tower Wetted wall tower Grid tray tower Bubble cap tower Perforated tray tower Wetted wall tower Grid tray tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Freezing point Boiling point Both B and C Vapour pressure Freezing point Boiling point Both B and C Vapour pressure ANSWER DOWNLOAD EXAMIANS APP