Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is Always more than the point efficiency Same as the Murphree efficiency The ratio of number of ideal plates to actual plates The ratio of number of actual plates to ideal plates Always more than the point efficiency Same as the Murphree efficiency The ratio of number of ideal plates to actual plates The ratio of number of actual plates to ideal plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Driving force for the liquid flow is its specific weight Vapors and liquids are at their dew point and bubble point respectively Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Highest temperature is encountered at the top of the column Driving force for the liquid flow is its specific weight Vapors and liquids are at their dew point and bubble point respectively Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Highest temperature is encountered at the top of the column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropism for ethyl alcohol-water system disappears by Increasing pressure Increasing temperature No means Decreasing pressure Increasing pressure Increasing temperature No means Decreasing pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials with very high latent heat of vaporisation may be economically separated using Absorption Liquid extraction Distillation Evaporation Absorption Liquid extraction Distillation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Equal to the dry bulb More than the wet bulb Less than the wet bulb Equal to the wet bulb Equal to the dry bulb More than the wet bulb Less than the wet bulb Equal to the wet bulb ANSWER DOWNLOAD EXAMIANS APP
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