Mass Transfer The fixed cost of a distillation column at minimum reflux ratio is Minimum None of these Infinite Optimum Minimum None of these Infinite Optimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Adsorption Gas absorption Humidification Binary distillation Adsorption Gas absorption Humidification Binary distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Is equal to the volumetric diffusivity Is independent of pressure Varies directly as the pressure Varies inversely as the pressure Is equal to the volumetric diffusivity Is independent of pressure Varies directly as the pressure Varies inversely as the pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Flow rate of inlet air Relative humidity of outlet air Temperature of the solid Humidity of inlet air Flow rate of inlet air Relative humidity of outlet air Temperature of the solid Humidity of inlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? No Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility does not change appreciably with the change in Total pressure Vapour pressure of either component Temperature None of these Total pressure Vapour pressure of either component Temperature None of these ANSWER DOWNLOAD EXAMIANS APP
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