Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Both heating and humidification Humidification only Evaporative cooling Heating only Both heating and humidification Humidification only Evaporative cooling Heating only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration model (theory) for mass transfer was enunciated by Kissinevskii Toor and Marchello Danckwerts Higbie Kissinevskii Toor and Marchello Danckwerts Higbie ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Henry's law states that the Vapour pressure is equal to the product of the mole fraction and total pressure Partial pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Partial pressure of a component over a solution is proportional to its mole fraction in the liquid Vapour pressure is equal to the product of the mole fraction and total pressure Partial pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Partial pressure of a component over a solution is proportional to its mole fraction in the liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is 1.24 1.94 0.54 1.04 1.24 1.94 0.54 1.04 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Freundlich equation applies to the adsorption of solute from None of these Dilute solutions, over a small concentration range Gaseous solutions at high pressure Concentrated solutions None of these Dilute solutions, over a small concentration range Gaseous solutions at high pressure Concentrated solutions ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Gas Both A & B Liquid Neither A nor B Gas Both A & B Liquid Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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