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 42 of 67

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Q411.
Sodium bicarbonate is produced during soda ash manufacture using a __________ tower.

a.

plate

b.

baffle

c.

packed

d.

none of these

Discuss
Answer: (b).baffle
Q412.
Powdery materials can be guarded against caking tendency on storage by

a.

providing irregular grain size.

b.

providing minimum percentage of voids.

c.

having maximum possible points of contact.

d.

none of these.

Discuss
Answer: (d).none of these.
Q413.
According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, ฮผ = gas viscosity)

a.

ฮผ

b.

1/ฮผ

c.

โˆšฮผ

d.

ฮผ²

Discuss
Answer: (b).1/ฮผ
Q414.
For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be

a.

1

b.

0

c.

2

d.

3

Discuss
Answer: (a).1
Q415.
Hโ‚‚S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of Hโ‚‚S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is

a.

2.0

b.

1.56

c.

1.0

d.

0.56

Discuss
Answer: (a).2.0
Q416.
Packed column distillation is limited to the column __________ metres.

a.

height < 6

b.

diameter < 0.6

c.

both (a) & (b)

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) & (b)
Q417.
For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law.

a.

increases

b.

decreases

c.

remains same

d.

either (a) or (b); depends on the gas

Discuss
Answer: (a).increases
Q418.
The operating cost of a distillation column at minimum reflux ratio is

a.

minimum

b.

maximum

c.

infinite

d.

zero

Discuss
Answer: (a).minimum
Q419.
The reflux to a distillation column is 100 moles/hr, when the overhead product rate is 50 moles/hr. The reflux ratio is

a.

2

b.

0.5

c.

50

d.

150

Discuss
Answer: (a).2
Q420.
Molecular diffusivity of a liquid

a.

increases with temperature.

b.

decreases with temperature.

c.

may increase or decrease with temperature.

d.

is independent of temperature.

Discuss
Answer: (a).increases with temperature.
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