Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) √T 1/T T T² √T 1/T T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Uses molal units for material and energy balance Uses weight fractions to express liquid and vapour composition Can use any type of units Is more accurate than Ponchan-Savarit method Uses molal units for material and energy balance Uses weight fractions to express liquid and vapour composition Can use any type of units Is more accurate than Ponchan-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T √T T³ T² T √T T³ T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed bed absorption column, the channelling will be noted by the None of these Sharp rise in pressure drop Sharp drop in pressure drop Increase in flow rate None of these Sharp rise in pressure drop Sharp drop in pressure drop Increase in flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 1000 1500 2500 2000 1000 1500 2500 2000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A good solvent used for absorption should not have very high Freezing point All of these Vapor pressure Viscosity Freezing point All of these Vapor pressure Viscosity ANSWER DOWNLOAD EXAMIANS APP
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