Mass Transfer In azeotropic mixture, the equilibrium vapour composition is Less than liquid composition Same as liquid composition More than liquid composition None of the listed here Less than liquid composition Same as liquid composition More than liquid composition None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the intercept of the operating line Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.1 0.01 > 1 10-5 to 10-6 0.1 0.01 > 1 10-5 to 10-6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature. Equal to Less than More than Either A or B; depends on the solid Equal to Less than More than Either A or B; depends on the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Gas velocity should be very low ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drift in a cooling tower is All of these Desirable The water entrained by the circulating air Dependent on the water lost by evaporation All of these Desirable The water entrained by the circulating air Dependent on the water lost by evaporation ANSWER DOWNLOAD EXAMIANS APP
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