Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Slope of the operating line in stripping section decreases Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Number of plates decreases very slowly first and then more and more rapidly Slope of the operating line in stripping section decreases Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Number of plates decreases very slowly first and then more and more rapidly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of unsaturated air Dew point < wet bulb temperature Wet bulb temperature < dry bulb temperature Both of the options given here None of the listed here Dew point < wet bulb temperature Wet bulb temperature < dry bulb temperature Both of the options given here None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Present in overhead stream Of high viscosity to give high tray efficiency Of high volatility Added to alter the relative volatility of the mixture Present in overhead stream Of high viscosity to give high tray efficiency Of high volatility Added to alter the relative volatility of the mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most commonly used leaching solvent in vegetable oil industry? Phenol Furfurol Liquid SO₂ Hexane Phenol Furfurol Liquid SO₂ Hexane ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions:(i) Reflux stream is completely liquid and is at its bubble point.(ii) Reflux stream is below its bubble point. Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Condenser load is the same in both the cases but reboiler load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Condenser load is the same in both the cases but reboiler load is higher in case (ii) 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
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