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 18 of 67

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Q171.
__________ extractor uses centrifugal force for separating the two phases.

a.

Treybal

b.

Schiebel

c.

Podbielniak

d.

None of these

Discuss
Answer: (c).Podbielniak
Q172.
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

a.

1.5

b.

-0.6

c.

-1.5

d.

0.6

Discuss
Answer: (c).-1.5
Q173.
Pick out the wrong statement.

a.

Mechanical agitation is required, if the system has low interfacial tension.

b.

Seive tray towers are generally used for systems having low interfacial tension.

c.

When Henry's law constant is very small, then the mass transfer rate is controlled by the gas film resistance.

d.

Taylor-Prandtl analogy for heat and mass transfer considers the transfer through both laminar and turbulent layers.

Discuss
Answer: (a).Mechanical agitation is required, if the system has low interfacial tension.
Q174.
Acetic acid will be most economically separated from a dilute solution of acetic acid in water by

a.

solvent extraction

b.

continuous distillation

c.

evaporation

d.

absorption

Discuss
Answer: (a).solvent extraction
Q175.
Design calculation for multiple component distillation is done by

a.

Ponchon-Savarit method

b.

Mccabe-Thiele method

c.

enthalpy concentration method

d.

tray to tray calculations.

Discuss
Answer: (d).tray to tray calculations.
Q176.
Large scale drying of wheat is done in a __________ dryer.

a.

fluidised bed

b.

spouted bed

c.

tray

d.

vacuum rotary

Discuss
Answer: (b).spouted bed
Q177.
Azeotropic distillation is employed to separate

a.

constant boiling mixture.

b.

high boiling mixture.

c.

mixture with very high relative volatility.

d.

heat sensitive materials.

Discuss
Answer: (a).constant boiling mixture.
Q178.
The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )

a.

√T

b.

T

c.

T²

d.

T³

Discuss
Answer: (c).T²
Q179.
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

a.

1

b.

0

c.

∞

d.

none of these

Discuss
Answer: (c).∞
Q180.
Use of natural draft cooling tower is practised, when the air has low

a.

humidity

b.

temperature

c.

both 'a' & 'b'

d.

neither 'a' nor 'b'

Discuss
Answer: (c).both 'a' & 'b'
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