Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 2.5 1.25 0.0025 0.25 2.5 1.25 0.0025 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Solvent of low latent heat of vaporisation should be used Large quantity of solvent is required to extract the solute Very small quantity of solvent is required Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used Large quantity of solvent is required to extract the solute Very small quantity of solvent is required Solvent of low freezing point should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of Vapour pressure of component A to the partial pressure of A Vapour pressure of component A to the total pressure Partial pressure of component A to the total pressure Vapour pressure of component A to that of component B Vapour pressure of component A to the partial pressure of A Vapour pressure of component A to the total pressure Partial pressure of component A to the total pressure Vapour pressure of component A to that of component B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sodium bicarbonate is produced during soda ash manufacture using a __________ tower. None of these Plate Baffle Packed None of these Plate Baffle Packed ANSWER DOWNLOAD EXAMIANS APP
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 sugar from the cells of the beet Dissolving gold from ores Removing nicotine from its water solution by kerosene Dissolving pharmaceutical products from bark or roots Dissolving sugar from the cells of the beet Dissolving gold from ores ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching of sugar from sugar beets is done by Lime water Dilute H₂SO₄ Hexane Hot water Lime water Dilute H₂SO₄ Hexane Hot water ANSWER DOWNLOAD EXAMIANS APP
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