Mass Transfer Which of the following assumes constant molal vaporisation and overflow? McCabe-Thiele method Ponchan-Savarit method Plate absorption column Enthalpy concentration method McCabe-Thiele method Ponchan-Savarit method Plate absorption column Enthalpy concentration method 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 4.605 9.21 100 0.001 4.605 9.21 100 0.001 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit of molal diffusivity is Gm moles/cm. sec Gm moles/cm² . sec Cm²/sec gm . mole Gm moles/cm². sec Gm moles/cm. sec Gm moles/cm² . sec Cm²/sec gm . mole Gm moles/cm². sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 10 100 1 5 10 100 1 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Is of low volatility Does not alter the relative volatility of the original components Forms a high boiling azeotrope Forms a low boiling azeotrope Is of low volatility Does not alter the relative volatility of the original components Forms a high boiling azeotrope Forms a low boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Decreased solute solubility Large number of trays All of these Large minimum liquid to gas (L/G) ratio Decreased solute solubility Large number of trays All of these Large minimum liquid to gas (L/G) ratio ANSWER DOWNLOAD EXAMIANS APP