Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Durability Cost Size Porosity Durability Cost Size Porosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T0.5 D ∝ T2 D ∝ T D ∝ T1.5 D ∝ T0.5 D ∝ T2 D ∝ T D ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and None of these Humidified at constant wet bulb temperature Dehumidified Humidified with wet bulb temperature decreasing None of these Humidified at constant wet bulb temperature Dehumidified Humidified with wet bulb temperature decreasing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humid volume is the total volume in m³ of 1 kg of Vapour laden gas at 1 atm. and room temperature Vapour laden gas at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and room temperature Vapour laden gas at 1 atm. and room temperature Vapour laden gas at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and room temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 1000 50 500 100 1000 50 500 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency May increase or decrease ; depends on individual design Remains same Increases Decreases May increase or decrease ; depends on individual design Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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