Mass Transfer Leaching of coffee from coffee beans is done by Dilute H₂SO₄ (hot) Hot water Lime water Hexane Dilute H₂SO₄ (hot) Hot water Lime water Hexane ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction, Exponentially None of these Inversely Linearly Exponentially None of these Inversely Linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Very small quantity of solvent is required Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T √T T3 T1.5 T √T T3 T1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Increasing the liquid flow rate Using higher reflux ratio Use of increased tray spacing Increasing the vapour flow rate Increasing the liquid flow rate Using higher reflux ratio Use of increased tray spacing Increasing the vapour flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Selectivity of the solvent used in solvent extraction should be > 1 1 < 1 > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
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