Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 1.2 to 1.5 3 to 4 2.5 to 3 5 1.2 to 1.5 3 to 4 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their Viscosity Relative volatility Solubility Density Viscosity Relative volatility Solubility Density ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Very small quantity of solvent is required Large quantity of solvent is required to extract the solute Solvent of low latent heat of vaporisation should be used Solvent of low freezing point should be used Very small quantity of solvent is required Large quantity of solvent is required to extract the solute Solvent of low latent heat of vaporisation should be used Solvent of low freezing point should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Alcohol is dehydrated using __________ distillation. Steam Azeotropic Extractive Molecular Steam Azeotropic Extractive Molecular ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Neither A nor B Both A & B Gas Liquid Neither A nor B Both A & B Gas Liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate Either A or B Unidirectional diffusion from gas to liquid phase Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate Either A or B Unidirectional diffusion from gas to liquid phase ANSWER DOWNLOAD EXAMIANS APP