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 3 of 77

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Q21.
In frictional fluid flow, the following quantity is

a.

constant along a streamline.

b.

not constant along a streamline.

c.

increased in the direction of flow.

d.

none of these.

Discuss
Answer: (b).not constant along a streamline.
Q22.
What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air.

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q23.
For the manometer set up shown in the figure, the pressure difference Pแด€ - Pส™ is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q24.
Drag co-officient Cแด…, in Stoke's law range is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q25.
In power law, consider the following equation, then the fluid is

a.

Newtonian

b.

dilatant

c.

thixotropic

d.

rheopectic

Discuss
Answer: (a).Newtonian
Q26.
The equivalent diameter for pressure drop calculation for a fluid flowing through a rectangular cross-section channels having sides 'x' & 'y' is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q27.
Various efficiencies of a centrifugal pump are related as (where, ฮทโ‚˜ = mechanical efficiency ฮทแตฅ = volumetric efficiency. ฮทโ‚˜โ‚ = manometric efficiency ฮทโ‚’ = overall efficiency)

a.

ฮทโ‚˜โ‚ x ฮทโ‚˜ x ฮทแตฅ = ฮทโ‚’

b.

ฮทโ‚˜ = ฮทแตฅ . ฮทโ‚˜โ‚

c.

ฮทโ‚˜โ‚ = ฮทโ‚˜ x ฮทแตฅ

d.

ฮทแตฅ = ฮทโ‚˜ x ฮทโ‚˜โ‚

Discuss
Answer: (b).ฮทโ‚˜ = ฮทแตฅ . ฮทโ‚˜โ‚
Q28.
Fanning equation is given by below equation. It is applicable to __________ region flow.

a.

transition

b.

laminar

c.

turbulent

d.

both (b) and (c)

Discuss
Answer: (d).both (b) and (c)
Q29.
The head loss due to sudden expansion is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q30.
Pressure drop for turbulent fluid flow through a circular pipe is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
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