Mass Transfer The unit of volumetric diffusivity is Cm/sec Cm³/sec Cm²/seC₂ Cm²/sec Cm/sec Cm³/sec Cm²/seC₂ Cm²/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Remains unchanged Increases Decreases Depends on the pressure of the system Remains unchanged Increases Decreases Depends on the pressure of the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an absorber, the operating Line always lies below the equilibrium curve Line always lies above the equilibrium curve Velocity is more than the loading velocity Line can be either above or below the equilibrium curve Line always lies below the equilibrium curve Line always lies above the equilibrium curve Velocity is more than the loading velocity Line can be either above or below the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pressure drop through plate tower as compared to that through packed tower, for the same duty will be Less More Either A or B; depends on the packing height Equal Less More Either A or B; depends on the packing height Equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Packed extraction tower Centrifugal extractor Pulsed extractor Mixer-settler extractor Packed extraction tower Centrifugal extractor Pulsed extractor Mixer-settler extractor ANSWER DOWNLOAD EXAMIANS APP
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