Mass Transfer Unit of molal diffusivity is Gm moles/cm² . sec Gm moles/cm². sec Gm moles/cm. sec Cm²/sec gm . mole Gm moles/cm² . sec Gm moles/cm². sec Gm moles/cm. sec Cm²/sec gm . mole ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Decreases Data insufficient, cannot be predicted Remains constant Increases Decreases Data insufficient, cannot be predicted Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Deairation (removal of O₂) of water is done by Absorption Adsorption Rectification Ion-exchange Absorption Adsorption Rectification Ion-exchange ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching of sugar from sugar beets is done by Dilute H₂SO₄ Hot water Hexane Lime water Dilute H₂SO₄ Hot water Hexane Lime water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
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