Mass Transfer Flights in a rotary dryer are provided to Reduce the residence time of solid Lift and shower the solids thus exposing it thoroughly to the drying action of the gas None of these Increase the residence time of the solid Reduce the residence time of solid Lift and shower the solids thus exposing it thoroughly to the drying action of the gas None of these Increase the residence time of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is supplied during cooling tower operation to compensate for water losses due to Evaporation Blowdown All of these Entrainment Evaporation Blowdown All of these Entrainment ANSWER DOWNLOAD EXAMIANS APP
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 Dehumidified Humidified with wet bulb temperature decreasing None of these Humidified at constant wet bulb temperature Dehumidified Humidified with wet bulb temperature decreasing None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a distillation column operating at minimum reflux, the None of these Number of plates required will be maximum Concentration of liquid and vapour leaving a plate will be same Reflux ratio will be maximum None of these Number of plates required will be maximum Concentration of liquid and vapour leaving a plate will be same Reflux ratio will be maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following operations does not involve leaching? Removing nicotine from its water solution by kerosene Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Dissolving sugar from the cells of the beet ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Decrease in air temperature Neither A nor B Both A & B Increase in air humidity Decrease in air temperature Neither A nor B Both A & B Increase in air humidity ANSWER DOWNLOAD EXAMIANS APP
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