Fluid Flow MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Fluid Flow, a fundamental topic in the field of Biochemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Fluid Flow 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 Fluid Flow mcq questions that explore various aspects of Fluid Flow problems. Each MCQ is crafted to challenge your understanding of Fluid Flow principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Biochemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Fluid Flow MCQs are your pathway to success in mastering this essential Biochemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Fluid Flow. 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 Fluid Flow knowledge to the test? Let's get started with our carefully curated MCQs!

Fluid Flow MCQs | Page 3 of 5

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Q21.
Water is a

a.

newtonian fluid

b.

pseudoplastic

c.

dilatant

d.

rheopectic

Discuss
Answer: (a).newtonian fluid
Q22.
Which of the following affect the Kolmogorov eddy size?

a.

Stirrer speed

b.

Physical properties of the liquid

c.

Size and type of impeller

d.

All of these

Discuss
Answer: (d).All of these
Q23.
A liquid is flowing at 11,400 l.h­¹ along a pipeline having a diameter of 4 cm. If the liquid has a density of 1 g.ml­¹ and viscosity of 0.001kg.m­¹.s­¹, then the liquid would be in the

a.

laminar phase

b.

transient phase

c.

turbulent phase

d.

any of the phase

Discuss
Answer: (c).turbulent phase
Q24.
The viscosity of a fluid increases with the length of time that it is being mixed. This fluid would be best described as being

a.

newtonian

b.

rheopectic

c.

viscoelastic

d.

thixotropic

Discuss
Answer: (b).rheopectic
Q25.
Which of the following can act as a shear protectorant?

a.

Serum

b.

Silicone oil

c.

Glucose

d.

Glutamic acid

Discuss
Answer: (a).Serum
Q26.
Pluronic F68 protects mammalian cells from damage stems as it is a/an

a.

surface active agent which stabilizes foams

b.

surface active agent which destabilizes foams

c.

excellent source of vitamins

d.

coagulant

Discuss
Answer: (a).surface active agent which stabilizes foams
Q27.
Reynolds number for turbulent flow over a plate should be more than

a.

5 x 10­⁵

b.

10⁶

c.

5 x 10⁵

d.

500

Discuss
Answer: (b).10⁶
Q28.
A stirred tank reactor containing a fluid with a density of 2.5 g.ml­¹ and viscosity of 0.002 kg m­¹s­¹ is mixed at 120 rpm. If the fluid is mixed with an impeller having diameter 50 cm, then the Reynolds number of the liquid in the reactor is

a.

2500

b.

100

c.

12,50,000

d.

1,000,000

Discuss
Answer: (c).12,50,000
Q29.
If the viscosity of a fluid decreases with the length of time that it is being mixed, then this fluid is

a.

newtonian

b.

rheopectic

c.

viscoelastic

d.

thixotropic

Discuss
Answer: (d).thixotropic
Q30.
Which of the following describes the importance of the Kolmogorov eddy size in the biotechnology?

a.

The Kolmogorov eddy size is a measure of the smallest eddy size in a liquid

b.

When the Kolmogorov eddy size become equivalent or smaller than the cell or particle diameter, then the cell or particle will become susceptible to shear damage

c.

At the Kolmogorov eddy size, much of the energy of the originating eddy will be released

d.

All of the above

Discuss
Answer: (d).All of the above
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