Mass Transfer Flooding results in High tray efficiency Low tray efficiency High gas velocity Good contact between the fluids High tray efficiency Low tray efficiency High gas velocity Good contact between the fluids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied by heat evolution results in None of these Decrease in equilibrium solubility Increased capacity of the absorber Increase in equilibrium solubility None of these Decrease in equilibrium solubility Increased capacity of the absorber Increase in equilibrium solubility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) √P P 1/P 1/√P √P P 1/P 1/√P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching of coffee from coffee beans is done by Hot water Dilute H₂SO₄ (hot) Lime water Hexane Hot water Dilute H₂SO₄ (hot) Lime water Hexane ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Boiling point diagram is A plot of temperature vs. liquid composition Not affected by pressure A plot of temperature vs. vapour composition Affected by pressure A plot of temperature vs. liquid composition Not affected by pressure A plot of temperature vs. vapour composition Affected by pressure 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 1.56 1 2 0.56 1.56 1 2 0.56 ANSWER DOWNLOAD EXAMIANS APP