Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 3.97 1 0.24 600 3.97 1 0.24 600 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Results due to very low gas velocity Provides large interfacial surface for mass transfer Results due to very high gas velocity Increases tray efficiency Results due to very low gas velocity Provides large interfacial surface for mass transfer Results due to very high gas velocity Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is not recommended to be used, if the Azeotropic mixture is to be separated and the final product is miscible with water Liquids decompose, if distilled directly at atmospheric pressure Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature Material can not be distilled by indirect heating even under low pressure, because of the high boiling temperature Azeotropic mixture is to be separated and the final product is miscible with water Liquids decompose, if distilled directly at atmospheric pressure Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature Material can not be distilled by indirect heating even under low pressure, because of the high boiling temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed q = 0 q > 1 q < 1 q = 1 q = 0 q > 1 q < 1 q = 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When both the fluids flow concurrently in an absorber, the slope of the operating line is - ve + ve -1 1 - ve + ve -1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their Relative volatility Viscosity Solubility Density Relative volatility Viscosity Solubility Density ANSWER DOWNLOAD EXAMIANS APP
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