Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In azeotropic mixture, the equilibrium vapour composition is Same as liquid composition Less than liquid composition None of the listed here More than liquid composition Same as liquid composition Less than liquid composition None of the listed here More than liquid composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. None of the listed here No change in theoretical Major decrease in the number of Marginal decrease in the number of None of the listed here No change in theoretical Major decrease in the number of Marginal decrease in the number of ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with Minimum reflux ratio No reflux Total reflux Zero reflux ratio Minimum reflux ratio No reflux Total reflux Zero reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Potential energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Potential energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is The ratio of number of actual plates to ideal plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of ideal plates to actual plates The ratio of number of actual plates to ideal plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of ideal plates to actual plates ANSWER DOWNLOAD EXAMIANS APP
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