Mass Transfer Stacked packing compared to dumped packing Gives lower pressure drop Both A & B Gives higher pressure drop Provides poorer contact between the fluids Gives lower pressure drop Both A & B Gives higher pressure drop Provides poorer contact between the fluids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 5 100 1 10 5 100 1 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is A reversible phenomenon Characterised by adsorption of heat An irreversible phenomenon Same as "Van der Waals" adsorption A reversible phenomenon Characterised by adsorption of heat An irreversible phenomenon Same as "Van der Waals" adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is 2 1.56 0.56 1 2 1.56 0.56 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S present in naphtha reformed gas is removed by absorbing with HCl K₂CO₃ Vacuum gas oil Ethanolamine HCl K₂CO₃ Vacuum gas oil Ethanolamine ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Agitator is provided in a crystalliser for All of these Crystal growth Avoiding deposition on cooler surfaces Formation of nuclei All of these Crystal growth Avoiding deposition on cooler surfaces Formation of nuclei ANSWER DOWNLOAD EXAMIANS APP
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