Mass Transfer The relative volatility of a binary mixture at the azeotropic composition is 1 > 1 ∞ 1 > 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Thermal conductivity of solute increases None of these Viscosity of solvent decreases Diffusivity of solute increases Thermal conductivity of solute increases None of these Viscosity of solvent decreases Diffusivity of solute increases 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 High pressure at the bottom of a distillation tower handling heat sensitive materials results in Thermal decomposition of bottoms Erosion of the tower Increased relative volatility Very efficient operation Thermal decomposition of bottoms Erosion of the tower Increased relative volatility Very efficient operation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Depend on saturated boiling point; may increase or decrease Increase Decrease Remains same Depend on saturated boiling point; may increase or decrease Increase Decrease Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Berl saddle made of carbon cannot be used for SO₂ Oxidising atmosphere H₂SO₄ Alkalis SO₂ Oxidising atmosphere H₂SO₄ Alkalis ANSWER DOWNLOAD EXAMIANS APP
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