Mass Transfer Bollman extractor Is a static bed leaching equipment Employs only counter-current extraction Is a centrifugal extractor Is used for extraction of oil from oilseed Is a static bed leaching equipment Employs only counter-current extraction Is a centrifugal extractor Is used for extraction of oil from oilseed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Neither A nor B Both A & B Viscosity with concentration Degree of ideality of the solution Neither A nor B Both A & B Viscosity with concentration Degree of ideality of the solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T2 D ∝ T0.5 D ∝ T D ∝ T1.5 D ∝ T2 D ∝ T0.5 D ∝ T D ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Azeotropes High boiling substances from nonvolatile impurities Heat sensitive materials Mixtures of low relative volatility Azeotropes High boiling substances from nonvolatile impurities Heat sensitive materials Mixtures of low relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Priming in a distillation column Is characterised by the presence of foam throughout the space between trays Results from very low gas velocity Reduces the overall pressure drop Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Results from very low gas velocity Reduces the overall pressure drop Is desirable from point efficiency consideration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition Total pressure is less Saturated steam is used for steam distillation Temperature is less Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition Total pressure is less Saturated steam is used for steam distillation Temperature is less ANSWER DOWNLOAD EXAMIANS APP
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