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 distillation columns, the number of bubble caps per tray primarily depends upon the Allowable gas velocity Allowable liquid velocity Feed composition Allowable gas and liquid velocities Allowable gas velocity Allowable liquid velocity Feed composition Allowable gas and liquid velocities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = Re/(1 + Re) Ri = Re/(1 - Re) Ri = (1 - Re)/Re Ri = Re Ri = Re/(1 + Re) Ri = Re/(1 - Re) Ri = (1 - Re)/Re Ri = Re 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 Dehumidified Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing None of these Dehumidified Humidified at constant wet bulb temperature Humidified with wet bulb temperature decreasing None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of unsaturated air None of the listed here Wet bulb temperature < dry bulb temperature Dew point < wet bulb temperature Both of the options given here None of the listed here Wet bulb temperature < dry bulb temperature Dew point < wet bulb temperature Both of the options given here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is Used for multicomponent systems like crude refining Most useful for handling binary systems Same as simple distillation Same as differential distillation Used for multicomponent systems like crude refining Most useful for handling binary systems Same as simple distillation Same as differential distillation ANSWER DOWNLOAD EXAMIANS APP
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