Question
a.
The Reynolds analogy for mass transfer is given by Lewis relation and is applicable, when Schmidt number is one.
b.
Sherwood number for flow in pipes can be expressed as the ratio of the concentration gradient at wall to the overall concentration difference.
c.
According to film theory for equimolar counter diffusion, the mass transfer coefficient is given by √DAB(b)P - 3, Q - 2
d.
The z-component of the total mass flux of a component A in binary mixture of A and B is given by - Dab'.dCA/dz.
Posted under Mass Transfer Basic Chemical Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. Pick out the wrong statement.
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. In case of non-ideal gases and liquids, the molal diffusivity
View solution
Q. Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid )
View solution
Q. Humid volume is the total volume in m³ of 1 kg of
View solution
Q. Diameter to height ratio for a rashig ring is
View solution
Q. The equipment used in the extraction of highly corrosive radio active liquids is
View solution
Q. Advantage of continuous drying over batch drying is that the
View solution
Q. With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)
View solution
Q. In a packed bed absorption column, the channelling will be noted by the
View solution
Q. Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second.
View solution
Q. In liquid-liquid extraction, the number of phases at plait point is
View solution
Q. In a liquid-liquid extraction, 10 kg of a solution containing 2 kg of solute C and 8 kg of solvent A is brought into contact with 10 kg of solvent B. Solvent A and B are completely immiscible in each other whereas solute C is soluble in both the solvents. The extraction process attains equilibrium. The equilibrium relationship between the two phases is Y* = 0.9X, where Y* is the kg of C/kg of B and X is kg of C/kg of A. Choose the correct answer.
View solution
Q. Mass transfer co-efficient is directly proportional to Dᴀʙ^0.5, according to __________ theory.
View solution
Q. Sand is dried in foundaries in a___drier.
View solution
Q. Which of the following employs an accessory known as 'drift eliminator' ?
View solution
Q. Pick out the correct statement.
View solution
Q. Pick out the correct statement.
View solution
Q. At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant
View solution
Q. Which of the following adsorbent is used to decolourise yellow glycerine ?
View solution
Q. In a distillation column, with increase in the reflux ratio, the heat removed in the cooler
View solution
Q. Pick out the wrong statement.
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
