Fluid Mechanics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Fluid Mechanics, 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 Fluid Mechanics 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 Mechanics mcq questions that explore various aspects of Fluid Mechanics problems. Each MCQ is crafted to challenge your understanding of Fluid Mechanics 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 Fluid Mechanics 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 Fluid Mechanics. 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 Mechanics knowledge to the test? Let's get started with our carefully curated MCQs!

Fluid Mechanics MCQs | Page 6 of 77

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Q51.
Hydraulic mean radius for flow through packed bed of spherical particle of size, 'Dโ‚š', with porosity 'ฮต' is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q52.
A conical tank with a bottom opening of cross-sectional area A is filled with water and is mounted on supports as shown in the figure. What is the force F with which plate X must be pushed up to prevent water from leaking ? Assume that the density of air is negligible as compared to the density of water ฯL.

a.

ฯL . Vg

b.

ฯL . A.Hg

c.

ฯL . Vg/2

d.

ฯL .Vg/3

Discuss
Answer: (b).ฯL . A.Hg
Q53.
The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q54.
Each term of the Bernoulli's equation written in the following form, represents the total energy per unit

a.

mass

b.

volume

c.

specific weight

d.

none of these

Discuss
Answer: (a).mass
Q55.
At high Reynolds number

a.

inertial forces control and viscous forces are unimportant.

b.

viscous forces predominate.

c.

inertial forces are unimportant and viscous forces control.

d.

none of these.

Discuss
Answer: (a).inertial forces control and viscous forces are unimportant.
Q56.
Power loss in an orificemeter is __________ that in a venturimeter.

a.

less than

b.

same as

c.

more than

d.

data insufficient, cannot be predicted

Discuss
Answer: (c).more than
Q57.
The terminal velocity of a particle moving through a fluid varies as dโ‚šโฟ. What is the value of 'n' for Newton's law regime ?

a.

0.5

b.

1

c.

1.5

d.

3

Discuss
Answer: (a).0.5
Q58.
What is the normal range of exit cone angle of a venturimeter ?

a.

2 to 5

b.

7 to 15

c.

15 to 25

d.

>25

Discuss
Answer: (b).7 to 15
Q59.
The dimension of dynamic viscosity is

a.

MLโป¹Tโป¹

b.

L²Tโป¹

c.

LTโป²

d.

MLโป¹Tโป²

Discuss
Answer: (a).MLโป¹Tโป¹
Q60.
Co-efficient of velocity is __________ the coefficient of discharge.

a.

less than

b.

more than

c.

equal to

d.

not related to

Discuss
Answer: (b).more than
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