Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 0.24 1 600 3.97 0.24 1 600 3.97 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 2 4 1 3 2 4 1 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation. Butyl acetate Furfural Hexane Benzol Butyl acetate Furfural Hexane Benzol ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, An azeotrope may be formed during distillation Use steam distillation Use high pressure distillation Use molecular distillation An azeotrope may be formed during distillation Use steam distillation Use high pressure distillation Use molecular distillation 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 2 1.56 0.56 1 2 1.56 0.56 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) Decreases Increases None of these Remains unchanged Decreases Increases None of these Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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