Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and None of these Humidified with wet bulb temperature decreasing Dehumidified Humidified at constant wet bulb temperature None of these Humidified with wet bulb temperature decreasing Dehumidified Humidified at constant wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 9 10 8 1 9 10 8 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and T T3/2 and √T √T and T3/2 T and T3/2 T3/2 and T T3/2 and √T √T and T3/2 T and T3/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Mass and momentum Heat, momentum and mass Heat and momentum Heat and mass Mass and momentum Heat, momentum and mass Heat and momentum Heat and mass ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method, at infinite reflux ratio Neither A nor B Both the operating lines coincide with diagonal The overhead product is minimum Both A & B Neither A nor B Both the operating lines coincide with diagonal The overhead product is minimum Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Both A & B Height < 6 Neither A nor B Diameter < 0.6 Both A & B Height < 6 Neither A nor B Diameter < 0.6 ANSWER DOWNLOAD EXAMIANS APP