Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 1000 500 50 100 1000 500 50 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates. Ternery mixture is represented by the sides Binary mixture is represented by any point inside Pure component is represented by the apex Binary mixture is represented by the apex Ternery mixture is represented by the sides Binary mixture is represented by any point inside Pure component is represented by the apex Binary mixture is represented by the apex ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Ordinary diffusion process is also called __________ diffusion. Pressure Concentration Thermal Forced Pressure Concentration Thermal Forced ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 2.5 to 3 5 1.2 to 1.5 3 to 4 2.5 to 3 5 1.2 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the concentration of the adsorbate, the integral heat of adsorption Remains unchanged Increases May increase or decrease ; depends on the type of adsorbate Decreases Remains unchanged Increases May increase or decrease ; depends on the type of adsorbate Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of a desorber (stripper), the Temperature always increases Operating line always lies below the equilibrium curve Operating line always lies above the equilibrium curve Temperature remains unaffected Temperature always increases Operating line always lies below the equilibrium curve Operating line always lies above the equilibrium curve Temperature remains unaffected ANSWER DOWNLOAD EXAMIANS APP