Mass Transfer Stage efficiency in a leaching process depends on the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in All of these Large minimum liquid to gas (L/G) ratio Large number of trays Decreased solute solubility All of these Large minimum liquid to gas (L/G) ratio Large number of trays Decreased solute solubility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Both B and C Vapour pressure Boiling point Freezing point Both B and C Vapour pressure Boiling point Freezing point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Reboiler is considered as one theoretical plate, because Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Reboiler itself contains one plate None of these Vapour is recycled to the column Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Reboiler itself contains one plate None of these Vapour is recycled to the column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). 200-300 43835 22190 > 500 200-300 43835 22190 > 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 10 5 1 100 10 5 1 100 ANSWER DOWNLOAD EXAMIANS APP