Mass Transfer Leaching of coffee from coffee beans is done by Dilute H₂SO₄ (hot) Hot water Lime water Hexane Dilute H₂SO₄ (hot) Hot water Lime water Hexane ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? None of these High gas solubility Low vapor pressure Low viscosity None of these High gas solubility Low vapor pressure Low viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pore size of the molecular seive 5A is __________ mm. 50 0.05 5 0.5 50 0.05 5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an absorber, the operating Line always lies below the equilibrium curve Line always lies above the equilibrium curve Line can be either above or below the equilibrium curve Velocity is more than the loading velocity Line always lies below the equilibrium curve Line always lies above the equilibrium curve Line can be either above or below the equilibrium curve Velocity is more than the loading velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S < 1 S = 1 S > 1 S = ∞ S < 1 S = 1 S > 1 S = ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Cannot be computed Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Cannot be computed Is the optimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
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