Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 1.2 to 1.5 5 2.5 to 3 3 to 4 1.2 to 1.5 5 2.5 to 3 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with maximum boiling azeotrope at 1 atm. Benzene-ethyl alcohol None of these Acetone chloroform Ethyl alcohol-water Benzene-ethyl alcohol None of these Acetone chloroform Ethyl alcohol-water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. < 25 -25 > 25 25 < 25 -25 > 25 25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve. 50 None of these 100 78 50 None of these 100 78 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid-liquid extraction, the number of phases at plait point is 3 4 2 1 3 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
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