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 25 of 67

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Q241.
__________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture.

a.

Dry bulb

b.

Wet bulb

c.

Dew point

d.

none of these

Discuss
Answer: (b).Wet bulb
Q242.
The drying time between fixed moisture contents within the 'constant 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.

T^1.5

d.

T³

Discuss
Answer: (b).T
Q243.
__________ equation applies to diffusivities in liquids.

a.

Gilliland

b.

Hirschfelder

c.

Wilke and Chang

d.

none of these

Discuss
Answer: (a).Gilliland
Q244.
Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.

a.

agitated vessel

b.

sieve tray column

c.

bubble cap column

d.

packed tower

Discuss
Answer: (a).agitated vessel
Q245.
Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent

a.

a pure component.

b.

a binary mixture.

c.

a ternary mixture.

d.

partially miscible ternary system.

Discuss
Answer: (b).a binary mixture.
Q246.
In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when

a.

saturated feed is not used.

b.

an azeotrope forms.

c.

the latent heat of vaporisation of the more and less volatile components are greatly different.

d.

a total condenser is used.

Discuss
Answer: (d).a total condenser is used.
Q247.
In an interphase mass transfer process, the lesser the solubility of a given solute in a liquid, the higher are the chances that the transfer process will be

a.

liquid phase resistance-controlled.

b.

gas phase resistance controlled.

c.

impossible.

d.

driven by a non-linear driving force.

Discuss
Answer: (b).gas phase resistance controlled.
Q248.
As the reflux ratio decreases, the

a.

separation becomes more efficient.

b.

number of plates increases.

c.

column diameter increases.

d.

none of these.

Discuss
Answer: (b).number of plates increases.
Q249.
Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is

a.

insoluble in the liquid

b.

soluble in the liquid

c.

non-ideal in nature

d.

at a fixed temperature

Discuss
Answer: (a).insoluble in the liquid
Q250.
__________ is the temperature at which a gas-vapor mixture becomes saturated, when cooled at constant total pressure out of contact with a liquid.

a.

Dew point

b.

Bubble point

c.

Dry bulb temperature

d.

Wet bulb temperature

Discuss
Answer: (a).Dew point
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