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 56 of 67

Discover more Topics under Basic Chemical Engineering

Q551.
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
Q552.
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.
Q553.
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
Q554.
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.
Q555.
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).
Q556.
Penetration model (theory) for mass transfer was enunciated by

a.

Danckwerts

b.

Toor and Marchello

c.

Higbie

d.

Kissinevskii

Discuss
Answer: (c).Higbie
Q557.
Surface renewal model of mass transfer was enunciated by

a.

Toor and Marchello

b.

Fick

c.

Danckwerts

d.

Stefan

Discuss
Answer: (c).Danckwerts
Q558.
When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity.

a.

temperature rises

b.

pressure rises

c.

temperature falls

d.

pressure falls

Discuss
Answer: (a).temperature rises
Q559.
For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as

a.

Re^0.33

b.

Re^0.53

c.

Re^0.83

d.

Re

Discuss
Answer: (c).Re^0.83
Q560.
The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the

a.

temperature rises.

b.

pressure rises.

c.

temperature falls.

d.

pressure falls.

Discuss
Answer: (a).temperature rises.
Page 56 of 67