Mass Transfer MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Mass Transfer, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Mass Transfer MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Mass Transfer mcq questions that explore various aspects of Mass Transfer problems. Each MCQ is crafted to challenge your understanding of Mass Transfer principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Mass Transfer MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Mass Transfer. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Mass Transfer knowledge to the test? Let's get started with our carefully curated MCQs!

Mass Transfer MCQs | Page 57 of 67

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Q561.
The adiabatic saturation curve for a vapour-gas mixture is

a.

straight line.

b.

slightly concave upward.

c.

slightly concave downward.

d.

none of these.

Discuss
Answer: (b).slightly concave upward.
Q562.
Pick out the wrong statement.

a.

Cellulose acetate membranes are used in dialysis process.

b.

Elutriation process refers to when the soluble material is largely concentrated on the surface of an insoluble solid and is simply washed off by the solvent.

c.

'Cascade' means a group of stages interconnected so that various streams flow from one to another.

d.

Zirconia probe is used for the humidity measurement.

Discuss
Answer: (d).Zirconia probe is used for the humidity measurement.
Q563.
The value of Nแด€/(Nแด€ + Nส™), for steady state equimolal counter diffusion of two gases 'A' and 'B' is

a.

1

b.

โˆž

c.

0.5

d.

2

Discuss
Answer: (b).โˆž
Q564.
Drift in a cooling tower is

a.

the water entrained by the circulating air.

b.

dependent on the water lost by evaporation.

c.

desirable.

d.

all (a), (b) & (c).

Discuss
Answer: (a).the water entrained by the circulating air.
Q565.
In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase.

a.

liquid

b.

gas

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (b).gas
Q566.
Drying of refractory is normally carried out in a __________ dryer.

a.

open pan

b.

tray

c.

rotary vacuum

d.

truck/tunnel.

Discuss
Answer: (d).truck/tunnel.
Q567.
Heat sensitive materials with very high latent heat of vaporisation may be economically separated using

a.

liquid extraction

b.

distillation

c.

evaporation

d.

absorption

Discuss
Answer: (a).liquid extraction
Q568.
When the solvent dissolves very little of solute, then

a.

solvent of low latent heat of vaporisation should be used.

b.

solvent of low freezing point should be used.

c.

large quantity of solvent is required to extract the solute.

d.

very small quantity of solvent is required.

Discuss
Answer: (c).large quantity of solvent is required to extract the solute.
Q569.
The 'shanks system' of leaching (i.e., counter-current multiple contact leaching) is used for

a.

recovery of tannis from the tree barks and woods.

b.

leaching sodium nitrate from Chilean nitrate bearing rock.

c.

both (a) and (b).

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) and (b).
Q570.
Penetration model (theory) for mass transfer was enunciated by

a.

Danckwerts

b.

Toor and Marchello

c.

Higbie

d.

Kissinevskii

Discuss
Answer: (c).Higbie
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