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This set of Mass Transfer Multiple Choice Questions & Answers (MCQs) focuses on Mass Transfer Set 12

Q1 | In a distillation column, with increase in the reflux ratio, the heat removed in the cooler
Q2 | The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will
Q3 | During constant rate drying period, vaporisation rate per unit drying surface area
Q4 | A coalescer in a mixer-settler liquid-liquid extraction column
Q5 | In which of the following unit operations, the selectivity is an important parameter?
Q6 | Flash distillation is suitable for separating the constituents of a binary system, which
Q7 | In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.
Q8 | At __________ reflux, theoretical number of plates in a distillation coloumn is calculatedusing Fenske-Underwood equation.
Q9 | Pick out the correct statement.
Q10 | In physical terms, Schmidt number means
Q11 | Unit operation involved in the prilling of urea is
Q12 | Degree of freedom for leaching and solvent extraction process is
Q13 | With increase in temperature, the solubility of gases in liquids, at fixed pressure
Q14 | The equipment used in the extraction of highly corrosive radioactive liquids is
Q15 | Tea percolation employs
Q16 | When the solvent dissolves very little of solute, then
Q17 | Bollman extractor
Q18 | In case of absorption, both the operating and equilibrium lines will be straight for
Q19 | The most economical range of absorption factor is
Q20 | In the constant rate period of the rate of drying curve for batch drying,
Q21 | Back-trapping in a distillation column
Q22 | Rose oil is extracted from rose leaves using __________ distillation.
Q23 | The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is
Q24 | Pick out the wrong statement pertaining to the rotary dryer.
Q25 | Which of the following is not a unit of mass transfer co-efficient?