Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 2.5 to 3 1.2 to 1.5 5 3 to 4 2.5 to 3 1.2 to 1.5 5 3 to 4 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 ? Liquid side Gas side Interfacial Both liquid and gas side Liquid side Gas side Interfacial Both liquid and gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Perforated plate towers are unique for solvent extraction because, they provide Higher contact area Better contact of the phase Repeated coalescence & redispersion of the drop phase None of these Higher contact area Better contact of the phase Repeated coalescence & redispersion of the drop phase None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Langmuir equation is associated with Multicomponent absorption Steam distillation Adsorption Leaching Multicomponent absorption Steam distillation Adsorption Leaching ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Does not vary May increase on decrease, depends on the system Decreases Increases Does not vary May increase on decrease, depends on the system Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The McCabe Δ L law states that the Linear crystal growth rate does not depend on the crystal size Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the crystal size Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate does not depend on the crystal size Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the crystal size Linear crystal growth rate depends on the degree of supersaturation ANSWER DOWNLOAD EXAMIANS APP
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