Mass Transfer An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is 100 9.21 4.605 0.001 100 9.21 4.605 0.001 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 = (1 - Re)/Re Ri = Re/(1 - Re) Ri = Re/(1 + Re) Ri = Re Ri = (1 - Re)/Re Ri = Re/(1 - Re) Ri = Re/(1 + Re) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The humid volume may be increased by increasing the Temperature at constant humidity Neither A nor B Humidity at constant temperature Both A & B Temperature at constant humidity Neither A nor B Humidity at constant temperature Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are regenerated by heating to __________ °C. < 150 200-330 > 1000 > 500 < 150 200-330 > 1000 > 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Decreases Increases Remains same Either A or B; depends on the gas Decreases Increases Remains same Either A or B; depends on the gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same system, if the same liquid used in an absorber is decreased, the tower height will Decrease Increase Decrease or increase ; depends on the type of liquid Remain unaffected Decrease Increase Decrease or increase ; depends on the type of liquid Remain unaffected ANSWER DOWNLOAD EXAMIANS APP