Mass Transfer Fenske equation determines the Optimum reflux ratio Maximum number of ideal plates Height of the distillation column Minimum number of theoretical plates Optimum reflux ratio Maximum number of ideal plates Height of the distillation column Minimum number of theoretical plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency May increase or decrease ; depends on individual design Decreases Remains same Increases May increase or decrease ; depends on individual design Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Porosity Size Durability Cost Porosity Size Durability Cost 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 Sieve plate column Bubble cap column Randomly packed column Wetted wall column Sieve plate column Bubble cap column Randomly packed column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Can use any type of units Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Can use any type of units ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line) L/mG G/mL ML/G LG/m L/mG G/mL ML/G LG/m ANSWER DOWNLOAD EXAMIANS APP
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