Mass Transfer Leaching of coffee from coffee beans is done by Lime water Hot water Hexane Dilute H₂SO₄ (hot) Lime water Hot water Hexane Dilute H₂SO₄ (hot) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De.t)1/2 (De/t)1/2 (4De/t) (4De/πt)1/2 (De.t)1/2 (De/t)1/2 (4De/t) (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Total reflux in a distillation operation requires minimum Condenser load All of these Reboiler load Number of plates Condenser load All of these Reboiler load Number of plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the concentration of the adsorbate, the integral heat of adsorption Decreases May increase or decrease ; depends on the type of adsorbate Increases Remains unchanged Decreases May increase or decrease ; depends on the type of adsorbate Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) Log P vs . T Log P vs. log T T vs . P P vs . log T Log P vs . T Log P vs. log T T vs . P P vs . log T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system) Increases Increases Linearly Remains unaffected Decreases Increases Increases Linearly Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP