Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 to 5 5 to 10 1 > 10 1 to 5 5 to 10 1 > 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility does not change appreciably with the change in None of these Temperature Total pressure Vapour pressure of either component None of these Temperature Total pressure Vapour pressure of either component ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes? Spray towers Packed towers Wetted wall columns Plate towers Spray towers Packed towers Wetted wall columns Plate towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is > 1 1 < 1 > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Can use any type of units Uses molal units for material and energy balance Uses weight fractions to express liquid and vapour composition Is more accurate than Ponchan-Savarit method Can use any type of units Uses molal units for material and energy balance Uses weight fractions to express liquid and vapour composition Is more accurate than Ponchan-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is ∞ +ve -ve ∞ +ve -ve ANSWER DOWNLOAD EXAMIANS APP
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