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). 22190 200-300 43835 > 500 22190 200-300 43835 > 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Diameter < 0.6 Height < 6 Neither A nor B Both A & B Diameter < 0.6 Height < 6 Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency Increases due to weeping and dumping of liquid Increases due to liquid entrainment Is a function of the mass transfer between liquid and vapour Increases due to foaming Increases due to weeping and dumping of liquid Increases due to liquid entrainment Is a function of the mass transfer between liquid and vapour Increases due to foaming ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding results in 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 High tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when A total condenser is used The latent heat of vaporisation of the more and less volatile components are greatly different Saturated feed is not used An azeotrope forms A total condenser is used The latent heat of vaporisation of the more and less volatile components are greatly different Saturated feed is not used An azeotrope forms ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by Lowering the total pressure Both A & B Raising the temperature Neither A nor B Lowering the total pressure Both A & B Raising the temperature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP