Question

Pick out the wrong statement.

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.

Answer: (c).According to film theory for equimolar counter diffusion, the mass transfer coefficient is given by √DAB(b)P - 3, Q - 2

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

Q. Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid )

Q. Humid volume is the total volume in m³ of 1 kg of

Q. Diameter to height ratio for a rashig ring is

Q. The equipment used in the extraction of highly corrosive radio active liquids is

Q. Advantage of continuous drying over batch drying is that the

Q. With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)

Q. In a packed bed absorption column, the channelling will be noted by the

Q. Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second.

Q. In liquid-liquid extraction, the number of phases at plait point is

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.

Q. Mass transfer co-efficient is directly proportional to Dᴀʙ^0.5, according to __________ theory.

Q. Sand is dried in foundaries in a___drier.

Q. Which of the following employs an accessory known as 'drift eliminator' ?

Q. Pick out the correct statement.

Q. Pick out the correct statement.

Q. At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant

Q. Which of the following adsorbent is used to decolourise yellow glycerine ?

Q. In a distillation column, with increase in the reflux ratio, the heat removed in the cooler

Q. Pick out the wrong statement.

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!