Mass Transfer Tea percolation employs Liquid-liquid extraction None of these Leaching Absorption Liquid-liquid extraction None of these Leaching Absorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Very small quantity of solvent is required Solvent of low latent heat of vaporisation should be used Solvent of low freezing point should be used Large quantity of solvent is required to extract the solute Very small quantity of solvent is required Solvent of low latent heat of vaporisation should be used Solvent of low freezing point should be used Large quantity of solvent is required to extract the solute ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Flow rate of entering liquid Flow rate of gas Heat gain or loss None of the listed here Flow rate of entering liquid Flow rate of gas Heat gain or loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction Employs two solvents Results in low interfacial tension None of the listed here Employs only one solvent Employs two solvents Results in low interfacial tension None of the listed here Employs only one solvent ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Decreases linearly Increases Remains unaffected Decreases Decreases linearly Increases Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 7 150 70 0.7 7 150 70 0.7 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS