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 27 of 77

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Q261.
Reynolds number is the ratio of

a.

viscous forces to gravity forces.

b.

inertial forces to viscous forces.

c.

viscous forces to inertial forces.

d.

inertial forces to gravity forces.

Discuss
Answer: (b).inertial forces to viscous forces.
Q262.
The discharge through a venturimeter depends upon

a.

pressure drop only.

b.

its orientation.

c.

co-efficient of contraction only.

d.

none of these.

Discuss
Answer: (a).pressure drop only.
Q263.
N. second/m² is

a.

the S.I. unit of dynamic viscosity.

b.

the S.I. unit of kinematic viscosity.

c.

equivalent to one poise.

d.

equivalent to one stoke.

Discuss
Answer: (a).the S.I. unit of dynamic viscosity.
Q264.
The continuity equation

a.

is independent of the compressibility of the fluid.

b.

is dependent upon the viscosity of the fluid.

c.

represents the conservation of mass.

d.

none of these.

Discuss
Answer: (c).represents the conservation of mass.
Q265.
Experimental study of laminar fluid flow through a circular tube was conducted by

a.

Reynolds

b.

Hagen and Poiseuille

c.

Pascal

d.

Blake-Plummer

Discuss
Answer: (b).Hagen and Poiseuille
Q266.
The most economical flow control valve for use with large diameter pipes is a

a.

butterfly valve

b.

globe valve

c.

needle valve

d.

none of these

Discuss
Answer: (a).butterfly valve
Q267.
Each term in Bernaulli's equation represents the __________ of the fluid.

a.

energy per unit mass

b.

energy per unit weight

c.

force per unit mass

d.

none of these

Discuss
Answer: (b).energy per unit weight
Q268.
Which of the following is a dimensionless parameter ?

a.

Angular velocity

b.

Specific weight

c.

Kinematic viscosity

d.

None of these

Discuss
Answer: (d).None of these
Q269.
Which of the following is an undesirable property of a manometric liquid ?

a.

Non-sticky & non-corrosive nature.

b.

High vapour pressure.

c.

Low viscosity & surface tension.

d.

Low co-efficient of thermal expansion.

Discuss
Answer: (b).High vapour pressure.
Q270.
Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head.

a.

manometric

b.

total

c.

static

d.

friction

Discuss
Answer: (a).manometric
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