Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D K ∝ D2 K ∝ D1.5 K ∝ √D K ∝ D K ∝ D2 K ∝ D1.5 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dew point of an air-water vapor mixture Decreases with decrease in pressure All of the listed here At constant humidity & total pressure is fixed Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve Decreases with decrease in pressure All of the listed here At constant humidity & total pressure is fixed Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is None of these Always < 1 L/G G/L None of these Always < 1 L/G G/L ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drift in a cooling tower is Dependent on the water lost by evaporation Desirable The water entrained by the circulating air All of these Dependent on the water lost by evaporation Desirable The water entrained by the circulating air All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Degree of ideality Neither A nor B Viscosity Both A & B Degree of ideality Neither A nor B Viscosity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter of raschig rings used in packed tower in industry is normally around __________ inches. 8 2 18 12 8 2 18 12 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS