Mass Transfer CO₂ can be absorbed by Hot cupric oxide Alumina Cold Ca(OH)₂ Heated charcoal Hot cupric oxide Alumina Cold Ca(OH)₂ Heated charcoal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases due to Neither A nor B Both A & B Increased diffusivity Decreased liquid viscosity Neither A nor B Both A & B Increased diffusivity Decreased liquid viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Perforated tray tower Wetted wall tower Grid tray tower Bubble cap tower Perforated tray tower Wetted wall tower Grid tray tower Bubble cap tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number. Lewis Sherwood None of these Grashoff Lewis Sherwood None of these Grashoff ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "approach" in a cooling tower refers to the difference in the temperature of the Hot water entering and the cooled water leaving the cooling tower Hot water entering the tower and the wet bulb temperature of the surrounding air Cold water leaving the tower and the wet bulb temperature of the surrounding air None of these Hot water entering and the cooled water leaving the cooling tower Hot water entering the tower and the wet bulb temperature of the surrounding air Cold water leaving the tower and the wet bulb temperature of the surrounding air None of these ANSWER DOWNLOAD EXAMIANS APP
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