Mass Transfer Azeotropism for ethyl alcohol-water system disappears by Increasing temperature Decreasing pressure Increasing pressure No means Increasing temperature Decreasing pressure Increasing pressure No means 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 0.56 2 1 1.56 0.56 2 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following operations does not involve leaching? Removing nicotine from its water solution by kerosene Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Dissolving sugar from the cells of the beet ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium moisture of a solid is equal to the total moisture minus free moisture. Which of the following substances will have maxi-mum equilibrium moisture? Rag paper Anthracite coal Inorganic solids Bamboo Rag paper Anthracite coal Inorganic solids Bamboo ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large weight of liquid retained Large surface per unit volume Low weight per unit volume Large free cross-section Large weight of liquid retained Large surface per unit volume Low weight per unit volume Large free cross-section ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is 0.5 1 ∞ 2 0.5 1 ∞ 2 ANSWER DOWNLOAD EXAMIANS APP