Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.5 to 0.8 0.8 to 1.2 1.25 to 2.0 2.5 to 3.5 0.5 to 0.8 0.8 to 1.2 1.25 to 2.0 2.5 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding results in High tray efficiency Low tray efficiency High gas velocity Good contact between the fluids High tray efficiency Low tray efficiency High gas velocity Good contact between the fluids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Can use any type of units Is more accurate than Ponchan-Savarit method Uses molal units for material and energy balance Uses weight fractions to express liquid and vapour composition Can use any type of units Is more accurate than Ponchan-Savarit method Uses molal units for material and energy balance Uses weight fractions to express liquid and vapour composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is supplied during cooling tower operation to compensate for water losses due to Evaporation Blowdown Entrainment All of these Evaporation Blowdown Entrainment All of these 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 The rate of mass transfer is not dependent upon the None of these Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other Both A & B None of these Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other Both A & B ANSWER DOWNLOAD EXAMIANS APP
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