Mass Transfer In an operating distillation column, the Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Vapors and liquids are at their dew point and bubble point respectively Highest temperature is encountered at the top of the column Driving force for the liquid flow is its specific weight Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Vapors and liquids are at their dew point and bubble point respectively Highest temperature is encountered at the top of the column Driving force for the liquid flow is its specific weight 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 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 Dehumidified Humidified at constant wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state equimolal counter diffusion occurs in case of Binary phase distillation Liquid-liquid extraction Absorption Leaching Binary phase distillation Liquid-liquid extraction Absorption Leaching ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the concentration of the adsorbate, the integral heat of adsorption Decreases Increases Remains unchanged May increase or decrease ; depends on the type of adsorbate Decreases Increases Remains unchanged May increase or decrease ; depends on the type of adsorbate 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 Which of the following same diameter columns gives lowest pressure drop per unit height? Randomly packed column Bubble-cap column Packed column (stacked) Sieve-plate column Randomly packed column Bubble-cap column Packed column (stacked) Sieve-plate column ANSWER DOWNLOAD EXAMIANS APP
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