Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 1.2 to 1.5 5 2.5 to 3 3 to 4 1.2 to 1.5 5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Thermal conductivity of solute increases Viscosity of solvent decreases None of these Diffusivity of solute increases Thermal conductivity of solute increases Viscosity of solvent decreases None of these Diffusivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient of liquid is Affected more by temperature than that for gases Affected much less by temperature than that for gases Not affected by the temperature None of these Affected more by temperature than that for gases Affected much less by temperature than that for gases Not affected by the temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Large minimum liquid to gas (L/G) ratio All of these Large number of trays Decreased solute solubility Large minimum liquid to gas (L/G) ratio All of these Large number of trays Decreased solute solubility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by Neither A nor B Lowering the total pressure Both A & B Raising the temperature Neither A nor B Lowering the total pressure Both A & B Raising the temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetic acid will be most economically separated from a dilute solution of acetic acid in water by Evaporation Absorption Continuous distillation Solvent extraction Evaporation Absorption Continuous distillation Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
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