Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The specific humidity decreases The relative humidity decreases The relative humidity increases The partial pressure of water vapour increases The specific humidity decreases The relative humidity decreases The relative humidity increases The partial pressure of water vapour increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying None of these Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying None of these Surface evaporation of unbound moisture occurs ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S present in naphtha reformed gas is removed by absorbing with Vacuum gas oil HCl K₂CO₃ Ethanolamine Vacuum gas oil HCl K₂CO₃ Ethanolamine ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Vapors and liquids are at their dew point and bubble point respectively Driving force for the liquid flow is its specific weight Highest temperature is encountered at the top of the column Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the liquid flow is its specific weight Highest temperature is encountered at the top of the column Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? Water-alcohol Butyl acetate-water None of these Methyl alcohol-acetone Water-alcohol Butyl acetate-water None of these Methyl alcohol-acetone ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ P0.5 D ∝ 1/P D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P0.5 D ∝ 1/P1.5 ANSWER DOWNLOAD EXAMIANS APP
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