Mass Transfer Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is Non-ideal in nature Insoluble in the liquid At a fixed temperature Soluble in the liquid Non-ideal in nature Insoluble in the liquid At a fixed temperature Soluble in the liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column None of these Increases in summer Increases in winter Decreases in winter None of these Increases in summer Increases in winter Decreases in winter ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content. Tray Freeze None of these Rotary Tray Freeze None of these Rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Alcohol is dehydrated using __________ distillation. Molecular Azeotropic Steam Extractive Molecular Azeotropic Steam Extractive ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Liquid side Both liquid and gas side Interfacial Gas side Liquid side Both liquid and gas side Interfacial Gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is 1 1.56 0.56 2 1 1.56 0.56 2 ANSWER DOWNLOAD EXAMIANS APP
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