Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. > 10 1 to 5 1 5 to 10 > 10 1 to 5 1 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following equipments is not used for gas dispersion? Perforated sieve tray towers Bubble cap tray towers Agitated vessels Spray towers Perforated sieve tray towers Bubble cap tray towers Agitated vessels Spray towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature. Wet-bulb Adiabatic saturation Dry-bulb Dew point Wet-bulb Adiabatic saturation Dry-bulb Dew point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In steam distillation, the Product must be immiscible with water Temperature is higher than the boiling point of either component Temperature is 100°C Temperature is more than 100° C Product must be immiscible with water Temperature is higher than the boiling point of either component Temperature is 100°C Temperature is more than 100° C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
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