Mass Transfer When both the fluids flow concurrently in an absorber, the slope of the operating line is + ve 1 -1 - ve + ve 1 -1 - ve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Forms a low boiling azeotrope Forms a high boiling azeotrope Does not alter the relative volatility of the original components Is of low volatility Forms a low boiling azeotrope Forms a high boiling azeotrope Does not alter the relative volatility of the original components Is of low volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture. Dry bulb Dew point Wet bulb None of these Dry bulb Dew point Wet bulb None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Passes through a maximum Increases Decreases Remains unaffected Passes through a maximum Increases Decreases Remains unaffected 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 1.56 2 0.56 1 1.56 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the None of these Thermal conductivity of solute increases Diffusivity of solute increases Viscosity of solvent decreases None of these Thermal conductivity of solute increases Diffusivity of solute increases Viscosity of solvent decreases ANSWER DOWNLOAD EXAMIANS APP