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 100 0.001 9.21 4.605 100 0.001 9.21 4.605 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer ______ is the separation technique used for desalination of sea water. Absorption Thermal diffusion Reverse osmosis Adsorption Absorption Thermal diffusion Reverse osmosis Adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Neither A nor B Both A & B Straight Parallel Neither A nor B Both A & B Straight Parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) P 1/P 1/√P √P P 1/P 1/√P √P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of Partial pressure of component A to the total pressure Vapour pressure of component A to that of component B Vapour pressure of component A to the total pressure Vapour pressure of component A to the partial pressure of A Partial pressure of component A to the total pressure Vapour pressure of component A to that of component B Vapour pressure of component A to the total pressure Vapour pressure of component A to the partial pressure of A ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "approach" in a cooling tower refers to the difference in the temperature of the Hot water entering and the cooled water leaving the cooling tower Hot water entering the tower and the wet bulb temperature of the surrounding air None of these Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering and the cooled water leaving the cooling tower Hot water entering the tower and the wet bulb temperature of the surrounding air None of these Cold water leaving the tower and the wet bulb temperature of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
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