Mass Transfer Stage efficiency in a leaching process depends on the Both A & B Time of contact between the solid and the solution Rate of diffusion of the solute through the solid and into the liquid Vapour pressure of the solution Both A & B Time of contact between the solid and the solution Rate of diffusion of the solute through the solid and into the liquid Vapour pressure of the solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) 1/T T T² √T 1/T T T² √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Dehumidification of air and gas Removal of objectionable odour and impurities from industrial gases Recovery of valuable solvent vapors from dilute mixture with air and other gases Decolouration of yellow glycerene Dehumidification of air and gas Removal of objectionable odour and impurities from industrial gases Recovery of valuable solvent vapors from dilute mixture with air and other gases Decolouration of yellow glycerene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most economical range of absorption factor is 1.25 to 2 5 to 10 2 to 2.5 2.5 to 3 1.25 to 2 5 to 10 2 to 2.5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) FG/(G.a) F/(FG.a) L/(FG.G) (G.a)/FG FG/(G.a) F/(FG.a) L/(FG.G) (G.a)/FG ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number (Le) is Sh x Pr St x Sh Pr x St Sc x Pr Sh x Pr St x Sh Pr x St Sc x Pr ANSWER DOWNLOAD EXAMIANS APP
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