Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn Helps in increasing the bubble size entering the settler All of these Helps in increasing the settling rate of the bubbles Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the bubble size entering the settler All of these Helps in increasing the settling rate of the bubbles Comprises of thin bed of substances of extended surface having high porosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Physical absorption is An irreversible phenomenon Accompanied by evolution of heat Both B & C A reversible phenomenon An irreversible phenomenon Accompanied by evolution of heat Both B & C A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Wetted wall tower experiment determines the Volumetric co-efficient Mass transfer co-efficient Molal diffusivity None of these Volumetric co-efficient Mass transfer co-efficient Molal diffusivity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Hatta number is important in Multicomponent distillation Gas absorption with chemical reaction Gas absorption without chemical reaction Binary distillation Multicomponent distillation Gas absorption with chemical reaction Gas absorption without chemical reaction Binary distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Momentum flux Thermal diffusivity Kinematic viscosity Both Momentum flux & Kinematic viscosity Momentum flux Thermal diffusivity Kinematic viscosity Both Momentum flux & Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area ANSWER DOWNLOAD EXAMIANS APP