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 48 of 77

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Q471.
Bernoulli's equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli's equation ?

A. Fluid flow is frictionless & irrotational.
B. Fluid flow is steady.
C. Fluid flow is uniform & turbulent.
D. Fluid is compressible.
E. Fluid is incompressible.

a.

A, C, D

b.

B, D, E

c.

A, B, E

d.

A, D, E

Discuss
Answer: (c).A, B, E
Q472.
Cavitation in a centrifugal pump results from

a.

high discharge pressure

b.

low barometric pressure

c.

high discharge velocity

d.

high discharge rate

Discuss
Answer: (b).low barometric pressure
Q473.
For turbulent flow of newtonion fluid in a circular cross-section pipe, the ratio of maximum to average fluid velocity is

a.

0.5

b.

1

c.

0.66

d.

< 0.5

Discuss
Answer: (b).1
Q474.
Power required by a centrifugal pump is proportional to (where, D = diameter, N = r.p.m)

a.

N²D³

b.

ND²

c.

N²D

d.

N³Dโต

Discuss
Answer: (d).N³Dโต
Q475.
Equivalent length of a pipe fitting is

a.

dependent on Reynolds number.

b.

independent of Reynolds number.

c.

dependent on the length of the pipe.

d.

none of these.

Discuss
Answer: (a).dependent on Reynolds number.
Q476.
Buckingham-ฯ€ theorem states that in any physical problem including 'n' quantities having 'm' diamensions, the quantities can be arranged into __________ independent dimensionless parameters.

a.

m

b.

n

c.

n-m

d.

n/m

Discuss
Answer: (c).n-m
Q477.
A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.

a.

Newtonion

b.

Non-Newtonion

c.

ideal

d.

incompressible

Discuss
Answer: (a).Newtonion
Q478.
Existence of boundary layer in fluid flow is because of the

a.

surface tension

b.

fluid density

c.

fluid viscosity

d.

gravity forces

Discuss
Answer: (c).fluid viscosity
Q479.
A globe valve is the most suitable for applications, in which

a.

fluid flow control is required.

b.

fluid contains dispersed solid particles.

c.

valve is required to be either fully open or fully closed.

d.

one way flow is required.

Discuss
Answer: (a).fluid flow control is required.
Q480.
__________ isused for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline.

a.

Venturimeter

b.

Pressure gauge

c.

Pitot tube

d.

Orificemeter

Discuss
Answer: (c).Pitot tube
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