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 22 of 77

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Q211.
In a/an __________ , the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure.

a.

rotameter

b.

pitot tube

c.

venturimeter

d.

flow nozzle

Discuss
Answer: (b).pitot tube
Q212.
Speed of sound in an ideal gas depends on its

a.

temperature

b.

pressure

c.

specific volume

d.

none of these

Discuss
Answer: (a).temperature
Q213.
A centrifugal pump designed for handling water (μ = 1 cp) will deliver __________ when pumping a thicker oil (μ = 30 cp).

a.

less head & capacity

b.

more head

c.

more capacity

d.

less head & more capacity

Discuss
Answer: (a).less head & capacity
Q214.
If 'x' is the depth of flow in an open channel of large width, then the hydraulic radius is equal to

a.

x

b.

x/2

c.

x/3

d.

2x/3

Discuss
Answer: (a).x
Q215.
The rate of shear versus the shear stress curves are time dependent for __________ fluid.

a.

thixotropic

b.

rheopectic

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) & (b)
Q216.
In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is

a.

0.44

b.

0.044

c.

4.4

d.

44

Discuss
Answer: (a).0.44
Q217.
A pressure of 10 m head of water is equivalent to __________ kN/m².

a.

98

b.

147

c.

196

d.

49

Discuss
Answer: (a).98
Q218.
A pressure head of 320 metres of water in meters of CCl₄ (sp.gr = 1.6) will be

a.

100

b.

200

c.

320

d.

160

Discuss
Answer: (b).200
Q219.
In fluid flow, the boundary layer separation can not occur

a.

in case of boundaries experiencing form drag.

b.

at points of abrupt changes in the flow directions.

c.

in laminar flow.

d.

none of these.

Discuss
Answer: (d).none of these.
Q220.
For a given fluid flow rate, which of the following incurs maximum head loss ?

a.

Orifice meter

b.

Venturimeter

c.

Flow nozzle

d.

All of them incur the same head loss

Discuss
Answer: (a).Orifice meter
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