Mass Transfer Which of the following operations does not involve leaching? Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Removing nicotine from its water solution by kerosene Dissolving sugar from the cells of the beet Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Removing nicotine from its water solution by kerosene Dissolving sugar from the cells of the beet ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schmidt number is given by Re/Pe Μ/ρDAB Re.Pe Sh x Pe Re/Pe Μ/ρDAB Re.Pe Sh x Pe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is 1.24 1.04 1.94 0.54 1.24 1.04 1.94 0.54 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For absorbing a sparingly soluble gas in a liquid Liquid side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Gas side mass transfer co-efficient should be increased Mass transfer co-efficient must be kept constant Liquid side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Gas side mass transfer co-efficient should be increased Mass transfer co-efficient must be kept constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/2a Dependent on the Reynolds number Proportional to √D D/a D/2a Dependent on the Reynolds number Proportional to √D D/a ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Temperature falls Pressure rises Temperature rises Pressure falls Temperature falls Pressure rises Temperature rises Pressure falls ANSWER DOWNLOAD EXAMIANS APP
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