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 39 of 67

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Q381.
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

a.

increases

b.

decreases

c.

decreases linearly

d.

remains unaffected

Discuss
Answer: (b).decreases
Q382.
Ion exchange process is similar to

a.

absorption

b.

adsorption

c.

extraction

d.

leaching

Discuss
Answer: (b).adsorption
Q383.
A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state,

a.

composition of vapors and that of liquid do not vary throughout the column.

b.

reboiler load and condenser load are minimum.

c.

the top and bottom compositions are unchanged with and without total reflux.

d.

the top and bottom compositions correspond to the maximum enrichment available.

Discuss
Answer: (d).the top and bottom compositions correspond to the maximum enrichment available.
Q384.
The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

a.

L/mG

b.

G/mL

c.

mL/G

d.

LG/m

Discuss
Answer: (a).L/mG
Q385.
Smoke is an example of

a.

solid dispersed in liquid

b.

solid dispersed in gas

c.

liquid dispersed in gas

d.

gas dispersed in liquid

Discuss
Answer: (b).solid dispersed in gas
Q386.
Which of the following adsorbant is used in the refinning of sugar ?

a.

Bone charcoal

b.

Wood charcoal

c.

Silica gel

d.

Activated clay

Discuss
Answer: (a).Bone charcoal
Q387.
Stacked packing compared to dumped packing

a.

provides poorer contact between the fluids.

b.

gives lower pressure drop.

c.

both (a) and (b).

d.

gives higher pressure drop.

Discuss
Answer: (c).both (a) and (b).
Q388.
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.

a.

total

b.

minimum

c.

operating

d.

maximum permissible

Discuss
Answer: (a).total
Q389.
Dryer widely used in a textile industry is __________ dryer.

a.

festoon

b.

cylinder

c.

conveyor

d.

tunnel

Discuss
Answer: (c).conveyor
Q390.
Solvent used in extractive distillation

a.

changes the relative volatility of the original components.

b.

should be of high volatility.

c.

should form azeotropes with the original components.

d.

all (a), (b) and (c)

Discuss
Answer: (a).changes the relative volatility of the original components.
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