Mass Transfer Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be 1 < 1 ≤ 1 > 1 1 < 1 ≤ 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Humidification Adsorption Gas absorption Binary distillation Humidification Adsorption Gas absorption Binary distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a single component absorber, the operating line is straight only when plotted in term of __________ units. Mole ratio Partial pressure None of these Mole fraction Mole ratio Partial pressure None of these Mole fraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 1.25 2.5 0.0025 0.25 1.25 2.5 0.0025 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Both liquid and gas side Interfacial Gas side Liquid side Both liquid and gas side Interfacial Gas side Liquid side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is the optimum reflux ratio Is computed from the intercept of the operating line Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed Is the optimum reflux ratio Is computed from the intercept of the operating line Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS