Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Wetted wall tower Grid tray tower Perforated tray tower Bubble cap tower Wetted wall tower Grid tray tower Perforated tray tower Bubble cap tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Deairation (removal of O₂) of water is done by Ion-exchange Absorption Adsorption Rectification Ion-exchange Absorption Adsorption Rectification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid-liquid extraction, the number of phases at plait point is 3 2 4 1 3 2 4 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Packing may be crushed due to thermal expansion/contraction of the components of the equipments Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Size of component molecules are not equal Component molecules are nonpolar Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Size of component molecules are not equal Component molecules are nonpolar ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schmidt number is given by Sh x Pe Μ/ρDAB Re/Pe Re.Pe Sh x Pe Μ/ρDAB Re/Pe Re.Pe ANSWER DOWNLOAD EXAMIANS APP
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