Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of 0.6 1.5 -0.6 -1.5 0.6 1.5 -0.6 -1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Bubble cap tower Perforated tray tower Wetted wall tower Grid tray tower Bubble cap tower Perforated tray tower Wetted wall tower Grid tray tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching of sugar from sugar beets is done by Hot water Dilute H₂SO₄ Lime water Hexane Hot water Dilute H₂SO₄ Lime water Hexane ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Pressure rises Pressure falls Temperature falls Temperature rises Pressure rises Pressure falls Temperature falls Temperature rises ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/2a Dependent on the Reynolds number Proportional to √D D/a D/2a Dependent on the Reynolds number Proportional to √D D/a 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 0.56 1 2 1.56 0.56 1 2 1.56 ANSWER DOWNLOAD EXAMIANS APP
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