Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.1 0.01 10-5 to 10-6 > 1 0.1 0.01 10-5 to 10-6 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method 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 Can use any type of units ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pressure drop through plate tower as compared to that through packed tower, for the same duty will be Either A or B; depends on the packing height More Less Equal Either A or B; depends on the packing height More Less Equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Water entrained by circulating air in cooling towers is termed as Vapor load Drift None of the listed here Blow down Vapor load Drift None of the listed here Blow down ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Wetted wall column Randomly packed column Sieve plate column Bubble cap column Wetted wall column Randomly packed column Sieve plate column Bubble cap column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the Driving force for the vapour flow is the pressure drop Liquids are not always at their bubble points Pressure increases gradually from bottom to the top of the column None of these Driving force for the vapour flow is the pressure drop Liquids are not always at their bubble points Pressure increases gradually from bottom to the top of the column None of these ANSWER DOWNLOAD EXAMIANS APP
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