Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and √T √T and T3/2 T3/2 and T T and T3/2 T3/2 and √T √T and T3/2 T3/2 and T T and T3/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Pulsed extractor Centrifugal extractor Mixer-settler extractor Packed extraction tower Pulsed extractor Centrifugal extractor Mixer-settler extractor Packed extraction tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Bubble cap tower Wetted wall tower Grid tray tower Perforated tray tower Bubble cap tower Wetted wall tower Grid tray tower Perforated tray tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Enthalpy concentration method McCabe-Thiele method Plate absorption column Ponchan-Savarit method Enthalpy concentration method McCabe-Thiele method Plate absorption column Ponchan-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 27.3 20 21.7 18.7 27.3 20 21.7 18.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The McCabe Δ L law states that the Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate depends on the crystal size Linear crystal growth rate does not depend on the crystal size Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate depends on the crystal size Linear crystal growth rate does not depend on the crystal size Molar heats of vaporisation of components are nearly equal ANSWER DOWNLOAD EXAMIANS APP
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