Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. Relative humidity Wet bulb temperature Partial pressure of water vapor None of these Relative humidity Wet bulb temperature Partial pressure of water vapor None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Passes through a maximum Decreases Increases Remains unaffected Passes through a maximum Decreases Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Momentum flux Thermal diffusivity Kinematic viscosity Both Momentum flux & Kinematic viscosity Momentum flux Thermal diffusivity Kinematic viscosity Both Momentum flux & Kinematic viscosity 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). 22190 > 500 200-300 43835 22190 > 500 200-300 43835 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Temperature falls Temperature rises Pressure rises Pressure falls Temperature falls Temperature rises Pressure rises Pressure falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "cooling range" in a cooling tower refers to the difference in the temperature of Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the cooled water leaving the tower None of the listed here Hot water entering the tower and the wet bulb temperature of the surrounding air Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the cooled water leaving the tower None of the listed here Hot water entering the tower and the wet bulb temperature of the surrounding air ANSWER DOWNLOAD EXAMIANS APP