Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Evaporative cooling Heating only Both heating and humidification Humidification only Evaporative cooling Heating only Both heating and humidification Humidification only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is Same as the Murphree efficiency Always more than the point efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed bed absorption column, the channelling will be noted by the Sharp drop in pressure drop Increase in flow rate Sharp rise in pressure drop None of these Sharp drop in pressure drop Increase in flow rate Sharp rise in pressure drop None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Lewis number Sherwood number Prandtl number Schmidt number Lewis number Sherwood number Prandtl number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A binary mixture of benzene and cyclohexane is separated by Flash vaporisation Ordinary distillation Extractive distillation Solvent extraction Flash vaporisation Ordinary distillation Extractive distillation Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model. None of the listed here Perfectly mixed Both plug & perfectly mixed Plug None of the listed here Perfectly mixed Both plug & perfectly mixed Plug ANSWER DOWNLOAD EXAMIANS APP
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