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 53 of 67

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Q521.
When the gas to be dissolved in liquid is a/an __________ then normally co-current adsorber are used.

a.

mixture of two gases

b.

pure gas

c.

ideal gas

d.

sparingly soluble gas

Discuss
Answer: (b).pure gas
Q522.
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.

a.

Schmidt

b.

Sherwood

c.

Peclet

d.

Stanton

Discuss
Answer: (a).Schmidt
Q523.
If a two phase system is in physical equilibrium; then it means that, the

a.

escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase.

b.

temperature of the liquid phase is equal to that of the vapor phase.

c.

total pressure throughout the liquid phase is equal to that throughout the vapor phase.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q524.
McCabe-Thiele method of binary distillation does not assume that the

a.

sensible heat changes are negligible compared with latent heat changes.

b.

molar latent heats of all components are equal.

c.

heat of mixing is negligible.

d.

none of these

Discuss
Answer: (d).none of these
Q525.
(NSh/NRe.NSc) is termed in mass transfer operation as the

a.

Stanton number

b.

Peclet number

c.

thermal diffusivity

d.

momentum diffusivity

Discuss
Answer: (a).Stanton number
Q526.
In a binary system, separation is very efficient, when the relative volatility is

a.

1

b.

> 1

c.

< 1

d.

0.5

Discuss
Answer: (b).> 1
Q527.
Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for

a.

constant molal overflow

b.

total reflux

c.

constant relative volatility

d.

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

Discuss
Answer: (d).all (a), (b) and (c)
Q528.
The binary diffusivity in gases does not depend upon the

a.

pressure

b.

temperature

c.

nature of the components

d.

none of these

Discuss
Answer: (d).none of these
Q529.
Berl saddle made of carbon cannot be used for

a.

alkalis

b.

SO₂

c.

H₂SO₄

d.

oxidising atmosphere

Discuss
Answer: (d).oxidising atmosphere
Q530.
1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is

a.

0.4

b.

0.25

c.

0.2

d.

0.175

Discuss
Answer: (c).0.2
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