Mass Transfer When a multistage tray tower uses a minimum reflux ratio, it implies Minimum trays and minimum reboiler heat load Infinite trays and maximum reboiler heat load Infinite trays and minimum reboiler heat load Minimum trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load Infinite trays and maximum reboiler heat load Infinite trays and minimum reboiler heat load Minimum trays and maximum reboiler heat load ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Hatta number is important in Binary distillation Gas absorption with chemical reaction Gas absorption without chemical reaction Multicomponent distillation Binary distillation Gas absorption with chemical reaction Gas absorption without chemical reaction Multicomponent distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Using higher reflux ratio Increasing the liquid flow rate Increasing the vapour flow rate Use of increased tray spacing Using higher reflux ratio Increasing the liquid flow rate Increasing the vapour flow rate Use of increased tray spacing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Randomly packed column Sieve-plate column Packed column (stacked) Bubble-cap column Randomly packed column Sieve-plate column Packed column (stacked) Bubble-cap column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Rapid absorption rates Better flow characteristics Low pumping pressure drop All of these Rapid absorption rates Better flow characteristics Low pumping pressure drop 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) 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) 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 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) Reboiler load is the same in both the cases but condenser load is higher in case (ii) ANSWER DOWNLOAD EXAMIANS APP
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