40 TOP Mass Transfer Online Test – Multiple Choice Questions and Answers 1. Minimum reflux ratio in a distillation column results in minimum number of trays maximum condenser size minimum reboiler size optimum number of trays 2. Molality is defined as the number of gm moles of solute per __________ of solvent kg litre m gm 3. In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) decreases remains unchanged increases none of these 4. _________ is concerned with the adsorption equilibria none of these Fick’s law Gibb’s equation Freundlich equation 5. Plate efficiency is a function of the mass transfer between liquid and vapour increases due to foaming increases due to liquid entrainment increases due to weeping and dumping of liquid 6. 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 1.04 0.54 1.24 1.94 7. Pick out the wrong statement Diffusion co-efficient and mass transfer co-efficient are not same in any mass transfer operation Contacting cold liquid with warm vapor-gas mixture exemplifies dehumidification process Mass transfer co-efficient does not account for gase-liquid diffusion Contacting cold vapor-gas mixture with hot liquid exemplifies humidification process 8. In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation higher than lower than either lower than or higher than, depends on the mixture composition equal to 9. Flooding in a distillation column is detected by a sharp increase in Murphree plate efficiency decrease in liquid hold up in the coloumn decrease in pressure drop increase in pressure drop 10. For a single component absorber, the operating line is straight only when plotted in term of __________ units mole ratio partial pressure mole fraction none of these Loading … Question 1 of 10
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plz send all mass transfer square & ans.
Please send 40 top mass transfer online test multiple choice question and answer . My email id akshaykumarch122@gmail .com