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 Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing Dehumidified None of these Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing Dehumidified None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following operations does not involve leaching? Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene Dissolving pharmaceutical products from bark or roots Dissolving gold from ores Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene Dissolving pharmaceutical products from bark or roots Dissolving gold from ores ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because Total pressure is less Saturated steam is used for steam distillation Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition Temperature is less Total pressure is less Saturated steam is used for steam distillation Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition Temperature is less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Diameter < 0.6 Both A & B Height < 6 Neither A nor B Diameter < 0.6 Both A & B Height < 6 Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Decreases Remains unaffected Increases Decreases linearly Decreases Remains unaffected Increases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The percentage humidity is less than the relative humidity only at __________ percent humidity. Hundred Zero Both zero and hundred None of these Hundred Zero Both zero and hundred None of these ANSWER DOWNLOAD EXAMIANS APP