Mass Transfer In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter < 8 : 1 < 6:1 > 4 :1 > 8:1 < 8 : 1 < 6:1 > 4 :1 > 8:1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Ammonia present in the coke oven gas is removed by washing with Dilute HCl Caustic solution Ethanolamine Dilute ammoniacal liquor Dilute HCl Caustic solution Ethanolamine Dilute ammoniacal liquor 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 For a binary mixture with low relative volatility, Use high pressure distillation Use molecular distillation Use steam distillation An azeotrope may be formed during distillation Use high pressure distillation Use molecular distillation Use steam distillation An azeotrope may be formed during distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is Same as simple distillation Same as differential distillation Most useful for handling binary systems Used for multicomponent systems like crude refining Same as simple distillation Same as differential distillation Most useful for handling binary systems Used for multicomponent systems like crude refining ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Deairation (removal of O₂) of water is done by Ion-exchange Rectification Adsorption Absorption Ion-exchange Rectification Adsorption Absorption ANSWER DOWNLOAD EXAMIANS APP