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 Number of plates decreases very slowly first and then more and more rapidly Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor method is used to calculate the number of ideal stages, when Both operating and equilibrium lines are parallel Operating line lies below the equilibrium line Operating line lies above the equilibrium line Pressure drop in the column is very high Both operating and equilibrium lines are parallel Operating line lies below the equilibrium line Operating line lies above the equilibrium line Pressure drop in the column is very high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In steam distillation, the Product must be immiscible with water Temperature is more than 100° C Temperature is higher than the boiling point of either component Temperature is 100°C Product must be immiscible with water Temperature is more than 100° C Temperature is higher than the boiling point of either component Temperature is 100°C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium moisture of a solid is equal to the total moisture minus free moisture. Which of the following substances will have maxi-mum equilibrium moisture? Rag paper Bamboo Inorganic solids Anthracite coal Rag paper Bamboo Inorganic solids Anthracite coal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-3 sec/cm 10-4 cm²/seC₂ 10-9 cm/sec 10-1 cm²/sec 10-3 sec/cm 10-4 cm²/seC₂ 10-9 cm/sec 10-1 cm²/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S < 1 S = ∞ S > 1 S = 1 S < 1 S = ∞ S > 1 S = 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS