Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 1 3.97 600 0.24 1 3.97 600 0.24 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Decreases Depends on the pressure of the system Increases Remains unchanged Decreases Depends on the pressure of the system Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Freundlich equation applies to the adsorption of solute from Gaseous solutions at high pressure None of these Dilute solutions, over a small concentration range Concentrated solutions Gaseous solutions at high pressure None of these Dilute solutions, over a small concentration range Concentrated solutions ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the solubilities of different components (in a liquid-liquid extraction system) increase with rise in temperature, then the temperature above which they dissolve completely is known as the critical solution temperature (CST or consolute temperature). If solubilities increase with decrease in temperature, then CST is the temperature below which they dissolve completely. If a binary system has no critical solution temperature, it implies that The system comprises of an azeotrope The system comprises of miscible liquids The system comprises of partially mis-cible liquids On heating, a vapor phase will appear ; while on cooling, a solid phase will appear The system comprises of an azeotrope The system comprises of miscible liquids The system comprises of partially mis-cible liquids On heating, a vapor phase will appear ; while on cooling, a solid phase will appear ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 7 150 0.7 70 7 150 0.7 70 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a single component absorber, the operating line is straight only when plotted in term of __________ units. Partial pressure Mole ratio Mole fraction None of these Partial pressure Mole ratio Mole fraction None of these ANSWER DOWNLOAD EXAMIANS APP
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