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 52 of 67

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Q511.
At a fixed total pressure, humidity depends only on the

a.

partial pressure of vapour in the mixture.

b.

heat capacity of the vapour.

c.

density of the vapour.

d.

none of these.

Discuss
Answer: (a).partial pressure of vapour in the mixture.
Q512.
Flash distillation is

a.

same as differential distillation.

b.

used for multicomponent systems like crude refining.

c.

same as simple distillation.

d.

most useful for handling binary systems.

Discuss
Answer: (b).used for multicomponent systems like crude refining.
Q513.
__________ developed the film theory.

a.

Higbie

b.

Fick

c.

Ergun

d.

Levenspeil

Discuss
Answer: (a).Higbie
Q514.
For absorbers, high pressure drop results in

a.

increased efficiency.

b.

decreased efficiency.

c.

high operating cost.

d.

better gas liquid contact.

Discuss
Answer: (c).high operating cost.
Q515.
During drying of a solid, the critical moisture content increases with

a.

decreased drying rate

b.

increased thickness of the solid

c.

increased drying rate

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Q516.
Priming in a distillation column

a.

results from very low gas velocity.

b.

is desirable from point efficiency consideration.

c.

is characterised by the presence of foam throughout the space between trays.

d.

reduces the overall pressure drop.

Discuss
Answer: (c).is characterised by the presence of foam throughout the space between trays.
Q517.
The commonly used solvent in supercritical extraction is

a.

methyl ethyl ketone.

b.

water.

c.

carbon tetrachloride.

d.

carbon dioxide.

Discuss
Answer: (d).carbon dioxide.
Q518.
When the liquid over a plate is of uniform concentration, then

a.

Murphree efficiency > point efficiency.

b.

Murphree efficiency < point efficiency.

c.

Murphree efficiency = point efficiency.

d.

Murphree efficiency ≠ point efficiency.

Discuss
Answer: (c).Murphree efficiency = point efficiency.
Q519.
In saturated gas, the

a.

vapour is in equilibrium with the liquid at the gas temperature.

b.

vapour is in equilibrium with the liquid at the room temperature.

c.

partial pressure of vapour equals the vapour pressure of the liquid at room temperature.

d.

none of these.

Discuss
Answer: (a).vapour is in equilibrium with the liquid at the gas temperature.
Q520.
Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture.

a.

unbound

b.

critical

c.

free

d.

bound

Discuss
Answer: (a).unbound
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