Mass Transfer Selectivity of the solvent used in solvent extraction should be > 1 < 1 1 > 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 21.7 18.7 20 27.3 21.7 18.7 20 27.3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the intercept of the operating line Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed Is the optimum reflux ratio Is computed from the intercept of the operating line Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed Is the optimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T1.5 √T T T3 T1.5 √T T T3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation. None of these Atmospheric Vacuum High pressure None of these Atmospheric Vacuum High pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area ANSWER DOWNLOAD EXAMIANS APP
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