Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. < 25 -25 25 > 25 < 25 -25 25 > 25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air at a particular humidity is heated in a furnace. The new dew point Depends on the extent of heating Decreases Remain unchanged Increases Depends on the extent of heating Decreases Remain unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Danckwerts developed the __________ theory. Film None of these Penetration Surface renewal Film None of these Penetration Surface renewal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be Cooled Dehumidified Both A & B Humidified Cooled Dehumidified Both A & B Humidified ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Heat, momentum and mass Mass and momentum Heat and mass Heat and momentum Heat, momentum and mass Mass and momentum Heat and mass Heat and momentum ANSWER DOWNLOAD EXAMIANS APP