Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Varies directly as the pressure Varies inversely as the pressure Is equal to the volumetric diffusivity Is independent of pressure Varies directly as the pressure Varies inversely as the pressure Is equal to the volumetric diffusivity Is independent of pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Both A & B Ratio of the insoluble to solution is constant Neither A nor B Solids are drained to the same extent Both A & B Ratio of the insoluble to solution is constant Neither A nor B Solids are drained to the same extent ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows negative deviation from ideality Mixture (to be separated) shows positive deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows negative deviation from ideality Mixture (to be separated) shows positive deviation from ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Antibiotics are best handled in a Sieve tray contractor Rotating disc contactor Podbielniak extractor Pulsed column extractor Sieve tray contractor Rotating disc contactor Podbielniak extractor Pulsed column extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their All of these Low pumping pressure drop Better flow characteristics Rapid absorption rates All of these Low pumping pressure drop Better flow characteristics Rapid absorption rates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Decreases linearly Decreases Remains unaffected Increases Decreases linearly Decreases Remains unaffected Increases ANSWER DOWNLOAD EXAMIANS APP