Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Bubble cap tower Perforated tray tower Grid tray tower Wetted wall tower Bubble cap tower Perforated tray tower Grid tray tower Wetted wall tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. 50 100 Between 0 and 100 50 100 Between 0 and 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation. Either A or B, depends on the mixture composition Lower than Higher than Equal to Either A or B, depends on the mixture composition Lower than Higher than Equal to ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Extraction of pencillin employs a __________ extraction coloumn. Centrifugal None of these Packed Plate Centrifugal None of these Packed Plate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used for separation of high boiling Both of the options given here none of the listed here Substances from non-volatile impurities Volatile impurity from still higher boiling substances Both of the options given here none of the listed here Substances from non-volatile impurities Volatile impurity from still higher boiling substances ANSWER DOWNLOAD EXAMIANS APP