Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ developed the film theory. Fick Levenspeil Higbie Ergun Fick Levenspeil Higbie Ergun 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%). 15 min 71 min 51 min 94 min 15 min 71 min 51 min 94 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Pressure falls Pressure rises Temperature rises Temperature falls Pressure falls Pressure rises Temperature rises Temperature falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of solid-liquid extraction is limited by the Diffusion of the solute through the solvent in the pores to the outside of the particle Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution Phase change of the solute as it dissolves in the solvent All of these Diffusion of the solute through the solvent in the pores to the outside of the particle Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution Phase change of the solute as it dissolves in the solvent All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration model (theory) for mass transfer was enunciated by Danckwerts Kissinevskii Higbie Toor and Marchello Danckwerts Kissinevskii Higbie Toor and Marchello ANSWER DOWNLOAD EXAMIANS APP
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