Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Porosity Cost Durability Size Porosity Cost Durability Size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 2.5 to 3 1.2 to 1.5 3 to 4 5 2.5 to 3 1.2 to 1.5 3 to 4 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate Constant boiling mixture High boiling mixture Mixture with very high relative volatility Heat sensitive materials Constant boiling mixture High boiling mixture Mixture with very high relative volatility Heat sensitive materials ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is 0.25 0.175 0.4 0.2 0.25 0.175 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The McCabe Δ L law states that the Linear crystal growth rate depends on the crystal size Linear crystal growth rate does not depend on the crystal size Linear crystal growth rate depends on the degree of supersaturation Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the crystal size Linear crystal growth rate does not depend on the crystal size Linear crystal growth rate depends on the degree of supersaturation Molar heats of vaporisation of components are nearly equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer All moisture in a non-hygroscopic material is the __________ moisture. Bound Unbound Equilibrium Free Bound Unbound Equilibrium Free ANSWER DOWNLOAD EXAMIANS APP