Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is None of these Greater than that computed for ideality Less than the sum of the vapour pressure of the components Less than that computed for ideality None of these Greater than that computed for ideality Less than the sum of the vapour pressure of the components Less than that computed for ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetic acid will be most economically separated from a dilute solution of acetic acid in water by Absorption Solvent extraction Evaporation Continuous distillation Absorption Solvent extraction Evaporation Continuous distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Gas side Interfacial Both liquid and gas side Liquid side Gas side Interfacial Both liquid and gas side Liquid side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Both A & B Diffusion Bulk flow Neither A nor B Both A & B Diffusion Bulk flow Neither A nor B 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 case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated. Flash Azeotropic Extractive Molecular Flash Azeotropic Extractive Molecular ANSWER DOWNLOAD EXAMIANS APP
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