Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Sublimation Evaporation Adsorption Dehydration Sublimation Evaporation Adsorption Dehydration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The expression, y(1 - x)/x(1 - y) is for Selectivity Murphree efficiency Absorption factor Relative volatility Selectivity Murphree efficiency Absorption factor Relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In towers packed with stacked packing At very high liquid flow rate In towers packed randomly with crushed solids In dumped packing of regular units In towers packed with stacked packing At very high liquid flow rate In towers packed randomly with crushed solids In dumped packing of regular units ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives High pressure drop and low hold up Low pressure drop and low hold up Low pressure drop and high hold up High pressure drop and high hold up High pressure drop and low hold up Low pressure drop and low hold up Low pressure drop and high hold up High pressure drop and high hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled And humidified And dehumidified with increase in wet bulb temperature And dehumidified with decrease in wet bulb temperature At the same relative humidity And humidified And dehumidified with increase in wet bulb temperature And dehumidified with decrease in wet bulb temperature At the same relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent. 100 < 100 > 100 None of these 100 < 100 > 100 None of these ANSWER DOWNLOAD EXAMIANS APP