Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ P0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Depends on the pressure of the system Remains unchanged Decreases Increases Depends on the pressure of the system Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The commonly used solvent in supercritical extraction is Carbon dioxide Water Methyl ethyl ketone Carbon tetrachloride Carbon dioxide Water Methyl ethyl ketone Carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Nitrobenzene (boiling point = 210.6°C) is steam distilled at 1 atm pressure.Nitrobenzene will distill off __________ °C. None of the listed here At < 100 Between 100 and 210 At > 210.6 None of the listed here At < 100 Between 100 and 210 At > 210.6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Binary distillation Gas absorption Adsorption Humidification Binary distillation Gas absorption Adsorption Humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can be speeded up by Reducing the humidity of the air Increasing the air velocity and area of exposed wet surface Reducing the barometric pressure All of the listed here Reducing the humidity of the air Increasing the air velocity and area of exposed wet surface Reducing the barometric pressure All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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