Mass Transfer Which of the following operations does not involve leaching? Removing nicotine from its water solution by kerosene Dissolving pharmaceutical products from bark or roots Dissolving gold from ores Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene Dissolving pharmaceutical products from bark or roots Dissolving gold from ores Dissolving sugar from the cells of the beet ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when One of the liquid components has very high affinity towards the solvent One of the liquid components is heat sensitive Viscosity of liquid components is very high Extracting solvent is cheaply & abundantly available One of the liquid components has very high affinity towards the solvent One of the liquid components is heat sensitive Viscosity of liquid components is very high Extracting solvent is cheaply & abundantly available ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-4 cm²/seC₂ 10-9 cm/sec 10-3 sec/cm 10-1 cm²/sec 10-4 cm²/seC₂ 10-9 cm/sec 10-3 sec/cm 10-1 cm²/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can be speeded up by Reducing the barometric pressure Increasing the air velocity and area of exposed wet surface All of the listed here Reducing the humidity of the air Reducing the barometric pressure Increasing the air velocity and area of exposed wet surface All of the listed here Reducing the humidity of the air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following unit operations makes use of Thiele-Geddes equation? Multicomponent distillation Liquid-liquid extraction Multicomponent absorption with chemical reaction Solid-liquid extraction Multicomponent distillation Liquid-liquid extraction Multicomponent absorption with chemical reaction Solid-liquid extraction ANSWER DOWNLOAD EXAMIANS APP
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