Mass Transfer The most economical range of absorption factor is 1.25 to 2 5 to 10 2 to 2.5 2.5 to 3 1.25 to 2 5 to 10 2 to 2.5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Remains unaffected Increases Decreases Decreases linearly Remains unaffected Increases Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 2.5 to 3 1.2 to 1.5 3 to 4 5 2.5 to 3 1.2 to 1.5 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Radioactive nuclear waste is treated in Rotating-disc contactor Mixer-settler extractor Pulsed column extractor Bollman extractor Rotating-disc contactor Mixer-settler extractor Pulsed column extractor Bollman extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Entrainer used in azeotropic distillation should Have high viscosity to provide high tray efficiency Have high latent heat of vaporisation Form a new azeotrope of low relative volatility with one of the constituents of the mixture Form a low boiling azeotrope with one of the constituents of the mixture Have high viscosity to provide high tray efficiency Have high latent heat of vaporisation Form a new azeotrope of low relative volatility with one of the constituents of the mixture Form a low boiling azeotrope with one of the constituents of the mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption, both the operating and equilibrium lines will be straight for Dilute solutions None of these Dilute solutions and isothermal operation Isothermal operation Dilute solutions None of these Dilute solutions and isothermal operation Isothermal operation ANSWER DOWNLOAD EXAMIANS APP