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 4 of 5

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Q31.
A thixotropic fluid is one in which the viscosity

a.

is constant regardless of the stirrer speed or mixing time

b.

changes during mixing but returns to its original state after mixing

c.

increases with mixing time

d.

decreases with mixing time

Discuss
Answer: (d).decreases with mixing time
Q32.
Newtonian fluid is one in which the viscosity

a.

remains constant with time and power input

b.

increases with the level of power input

c.

decreases with the level of power input

d.

drastically increases with the level of power input

Discuss
Answer: (a).remains constant with time and power input
Q33.
The viscosity of a fluid increases with increasing stirrer speed. This fluid would be best described as being

a.

newtonian

b.

pseudoplastic

c.

dilatant

d.

thixotropic

Discuss
Answer: (c).dilatant
Q34.
A dilatant fluid is one in which the viscosity

a.

is constant regardless of the stirrer speed or mixing time

b.

changes during mixing but returns to its original state after mixing

c.

increases with increasing stirrer speed

d.

decreases with increasing stirrer speed

Discuss
Answer: (c).increases with increasing stirrer speed
Q35.
A rheopectic fluid is one in which the viscosity

a.

is constant regardless of the stirrer speed or mixing time

b.

changes during mixing but returns to its original state after mixing

c.

increases with mixing time

d.

decreases with mixing time

Discuss
Answer: (c).increases with mixing time
Q36.
A fluid in which the viscosity increases with increasing stirrer speed and mixing time can be called as

a.

newtonian fluid

b.

pseudoplastic, thixotropic fluid

c.

dilatant, rheopectic fluid

d.

dilatant pseudoplastic fluid

Discuss
Answer: (c).dilatant, rheopectic fluid
Q37.
The medium will have the highest viscosity (considering that the cells do not secrete gums) with the presence of

a.

single celled bacteria

b.

filamentous fungi that form pellets

c.

filamentous fungi that grow as long poorly branched chains

d.

yeast

Discuss
Answer: (c).filamentous fungi that grow as long poorly branched chains
Q38.
The viscosity of liquid was classified as both dilatant and rheopectic, which means that the viscosity

a.

increased with stirring speed but decreased with mixing time

b.

increased with stirring speed and increased with mixing time

c.

decreased with stirring speed but increased with mixing time

d.

decreased with stirring speed and decreased with mixing time

Discuss
Answer: (b).increased with stirring speed and increased with mixing time
Q39.
Which of the following describes the detrimental effect of bubbles on animal cells?

a.

Cells trapped on the surface of bubbles can be damaged when the bubbles explode, releasing their pressure and surface energies

b.

Cells trapped in the moving foam can be dragged apart by the bubbles

c.

Both (a) and (b)

d.

Bubbles can explode in the liquid medium causing the release of ultraviolet radiation

Discuss
Answer: (c).Both (a) and (b)
Q40.
A fluid in which the viscosity decreases with increasing stirrer speed and mixing time, can be represented as

a.

newtonian fluid

b.

pseudoplastic, thixotropic fluid

c.

dilatant, rheopectic fluid

d.

dilatant, pseudoplastic fluid

Discuss
Answer: (b).pseudoplastic, thixotropic fluid
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