Mass Transfer Schmidt number is given by Re.Pe Sh x Pe Μ/ρDAB Re/Pe Re.Pe Sh x Pe Μ/ρDAB Re/Pe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with No reflux Total reflux Minimum reflux ratio Zero reflux ratio No reflux Total reflux Minimum reflux ratio Zero reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Of high volatility Present in overhead stream Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Of high volatility Present in overhead stream ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following equipments is not used for gas dispersion? Perforated sieve tray towers Agitated vessels Bubble cap tray towers Spray towers Perforated sieve tray towers Agitated vessels Bubble cap tray towers Spray towers 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. Condenser load is the same in both the cases but reboiler load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Reboiler load is the same in both the cases but condenser load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Reboiler load is the same in both the cases but condenser load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Decreases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Decreases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
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