Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and T T and T3/2 T3/2 and √T √T and T3/2 T3/2 and T T and T3/2 T3/2 and √T √T and T3/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. May increase or decrease, depends on the system Increases Remains unchanged Decreases May increase or decrease, depends on the system Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is < 1 > 1 1 < 1 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S = 1 S = ∞ S < 1 S > 1 S = 1 S = ∞ S < 1 S > 1 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 The commonly used solvent in supercritical extraction is Carbon tetrachloride Methyl ethyl ketone Carbon dioxide Water Carbon tetrachloride Methyl ethyl ketone Carbon dioxide Water ANSWER DOWNLOAD EXAMIANS APP