Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives 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 High pressure drop and low hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.122 0.152 0.048 0.079 0.122 0.152 0.048 0.079 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in None of these Greater degree of separation with a fixed number of trays Increased reflux ratio Increased reboiler load None of these Greater degree of separation with a fixed number of trays Increased reflux ratio Increased reboiler load ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system) Increases Remains unaffected Increases Linearly Decreases Increases Remains unaffected Increases Linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method, at infinite reflux ratio Neither A nor B The overhead product is minimum Both the operating lines coincide with diagonal Both A & B Neither A nor B The overhead product is minimum Both the operating lines coincide with diagonal Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio decreases, the None of these Column diameter increases Number of plates increases Separation becomes more efficient None of these Column diameter increases Number of plates increases Separation becomes more efficient ANSWER DOWNLOAD EXAMIANS APP
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