Mass Transfer The binary diffusivity in gases and liquids vary respectively as √T and T3/2 T3/2 and √T T and T3/2 T3/2 and T √T and T3/2 T3/2 and √T T and T3/2 T3/2 and T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Decreases linearly Decreases Increases Remains unchanged Decreases linearly Decreases Increases Remains unchanged 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 0.152 0.048 0.122 0.079 0.152 0.048 0.122 0.079 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method, at infinite reflux ratio Both A & B Both the operating lines coincide with diagonal Neither A nor B The overhead product is minimum Both A & B Both the operating lines coincide with diagonal Neither A nor B The overhead product is minimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. Marginal decrease in the number of None of the listed here Major decrease in the number of No change in theoretical Marginal decrease in the number of None of the listed here Major decrease in the number of No change in theoretical ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humid volume is the total volume in m³ of 1 kg of Gas plus its accompanying vapour at 1 atm. and room temperature Vapour laden gas at 1 atm. and room temperature Vapour laden gas at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and room temperature Vapour laden gas at 1 atm. and room temperature Vapour laden gas at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and gas temperature ANSWER DOWNLOAD EXAMIANS APP
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