Mass Transfer Molecular diffusion is caused by the Potential energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Activation energy of the molecules Potential energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Activation energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor method is used to calculate the number of ideal stages, when Operating line lies below the equilibrium line Operating line lies above the equilibrium line Pressure drop in the column is very high Both operating and equilibrium lines are parallel Operating line lies below the equilibrium line Operating line lies above the equilibrium line Pressure drop in the column is very high Both operating and equilibrium lines are parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 71 min 15 min 51 min 94 min 71 min 15 min 51 min 94 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When a multistage tray tower uses a minimum reflux ratio, it implies Infinite trays and maximum reboiler heat load Infinite trays and minimum reboiler heat load Minimum trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load Infinite trays and maximum reboiler heat load Infinite trays and minimum reboiler heat load Minimum trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? Methyl alcohol-acetone None of these Butyl acetate-water Water-alcohol Methyl alcohol-acetone None of these Butyl acetate-water Water-alcohol ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Sherwood number Prandtl number Lewis number Schmidt number Sherwood number Prandtl number Lewis number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
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