Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Durability Cost Size Porosity Durability Cost Size Porosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = Re Ri = Re/(1 - Re) Ri = (1 - Re)/Re Ri = Re/(1 + Re) Ri = Re Ri = Re/(1 - Re) Ri = (1 - Re)/Re Ri = Re/(1 + Re) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Flow rate of inlet air Temperature of the solid Humidity of inlet air Relative humidity of outlet air Flow rate of inlet air Temperature of the solid Humidity of inlet air Relative humidity of outlet air 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 Humidified with wet bulb temperature decreasing None of these Dehumidified Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing None of these Dehumidified 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 None of these > 100 100 < 100 None of these > 100 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can not be increased by Lowering the barometric pressure None of these Reducing the humidity of entering air Increasing the air velocity over the wet surfaces Lowering the barometric pressure None of these Reducing the humidity of entering air Increasing the air velocity over the wet surfaces ANSWER DOWNLOAD EXAMIANS APP
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