Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Vacuum Short tube Long tube Falling film Vacuum Short tube Long tube Falling film ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 10 6 12 8 10 6 12 8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Percentage saturation is __________ the relative saturation. Not related to Always smaller than Always greater than None of these Not related to Always smaller than Always greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method 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 Uses molal units for material and energy balance ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? Methyl alcohol-acetone Water-alcohol None of these Butyl acetate-water Methyl alcohol-acetone Water-alcohol None of these Butyl acetate-water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Remain unchanged Decrease Can either increase or decrease, depends on the system Increase Remain unchanged Decrease Can either increase or decrease, depends on the system Increase ANSWER DOWNLOAD EXAMIANS APP
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