Mass Transfer Which of the following operations does not involve leaching? Dissolving pharmaceutical products from bark or roots Dissolving gold from ores Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene Dissolving pharmaceutical products from bark or roots Dissolving gold from ores Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Neither A nor B Bulk flow Diffusion Both A & B Neither A nor B Bulk flow Diffusion Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/a Dependent on the Reynolds number Proportional to √D D/2a D/a Dependent on the Reynolds number Proportional to √D D/2a ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.215 0.107 0.017 0.31 0.215 0.107 0.017 0.31 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 94 min 15 min 51 min 71 min 94 min 15 min 51 min 71 min 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
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