Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Bubble cap column Randomly packed column Sieve plate column Wetted wall column Bubble cap column Randomly packed column Sieve plate column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rotary dryers cannot handle __________ materials. Dry Sticky Grannular Free flowing Dry Sticky Grannular Free flowing 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 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 0.54 1.24 1.94 1.04 0.54 1.24 1.94 1.04 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Only vapor phase follows Raoult's law Only liquid phase obeys Dalton's law Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Only vapor phase follows Raoult's law Only liquid phase obeys Dalton's law ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A binary mixture of benzene and cyclohexane is separated by Flash vaporisation Ordinary distillation Extractive distillation Solvent extraction Flash vaporisation Ordinary distillation Extractive distillation Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
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