Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Thermal diffusivity Mass transfer co-efficient Volumetric diffusivity Kinematic viscosity Thermal diffusivity Mass transfer co-efficient Volumetric diffusivity Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? A solution of benzene, toluene and oxylene 35% solution of NH₃ in water 35% solution of camphor in water A solution of polar organic compounds (not of homologs of a series) A solution of benzene, toluene and oxylene 35% solution of NH₃ in water 35% solution of camphor in water A solution of polar organic compounds (not of homologs of a series) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Thermal decomposition of bottoms Erosion of the tower Very efficient operation Increased relative volatility Thermal decomposition of bottoms Erosion of the tower Very efficient operation Increased relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Actual humidity to saturation humidity None of these Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity None of these Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Partial pressure of the vapour to the vapour pressure of the liquid at room temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T⁴ √T T T² T⁴ √T T T² ANSWER DOWNLOAD EXAMIANS APP
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