Mass Transfer Tower diameter may be decreased by Using higher reflux ratio Increasing the vapour flow rate Increasing the liquid flow rate Use of increased tray spacing Using higher reflux ratio Increasing the vapour flow rate Increasing the liquid flow rate Use of increased tray spacing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in All of these Large number of trays Large minimum liquid to gas (L/G) ratio Decreased solute solubility All of these Large number of trays Large minimum liquid to gas (L/G) ratio Decreased solute solubility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In azeotropic mixture, the equilibrium vapour composition is More than liquid composition None of the listed here Same as liquid composition Less than liquid composition More than liquid composition None of the listed here Same as liquid composition Less than liquid composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Is equal to the volumetric diffusivity Is independent of pressure Varies inversely as the pressure Varies directly as the pressure Is equal to the volumetric diffusivity Is independent of pressure Varies inversely as the pressure Varies directly as the pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is Directly proportional to 'T1.5' Dependent on the molecular volume & molecular weight of components Inversely proportional to 'P' All of these Directly proportional to 'T1.5' Dependent on the molecular volume & molecular weight of components Inversely proportional to 'P' All of these 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 Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Multicomponent distillation is involved Relative volatility is reasonably constant Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Multicomponent distillation is involved ANSWER DOWNLOAD EXAMIANS APP