Mass Transfer Ammonia present in the coke oven gas is removed by washing with Dilute ammoniacal liquor Caustic solution Dilute HCl Ethanolamine Dilute ammoniacal liquor Caustic solution Dilute HCl Ethanolamine ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pressure drop through plate tower as compared to that through packed tower, for the same duty will be More Equal Either A or B; depends on the packing height Less More Equal Either A or B; depends on the packing height Less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Decrease Increase Depend on saturated boiling point; may increase or decrease Remains same Decrease Increase Depend on saturated boiling point; may increase or decrease Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). > 500 22190 43835 200-300 > 500 22190 43835 200-300 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor method is used to calculate the number of ideal stages, when Operating line lies above the equilibrium line Both operating and equilibrium lines are parallel Pressure drop in the column is very high Operating line lies below the equilibrium line Operating line lies above the equilibrium line Both operating and equilibrium lines are parallel Pressure drop in the column is very high Operating line lies below the equilibrium line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dew point of an air-water vapor mixture All of the listed here At constant humidity & total pressure is fixed Decreases with decrease in pressure Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve All of the listed here At constant humidity & total pressure is fixed Decreases with decrease in pressure Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve ANSWER DOWNLOAD EXAMIANS APP
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