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.
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
Q262.
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
Q263.
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
Q264.
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.
Q265.
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
Q266.
The speed of sound in an ideal gas varies as the

a.

temperature

b.

pressure

c.

density

d.

none of these

Discuss
Answer: (a).temperature
Q267.
The maximum head that can be developed by a single impeller is __________ ft.

a.

25

b.

100

c.

250-300

d.

1000

Discuss
Answer: (c).250-300
Q268.
Hydraulic radius is the ratio of

a.

wetted perimeter to flow area.

b.

flow area to wetted perimeter.

c.

flow area to square of wetted perimeter.

d.

square root of flow area to wetted perimeter.

Discuss
Answer: (b).flow area to wetted perimeter.
Q269.
The unit of bulk modulus of elasticity for a liquid in S.I. unit is

a.

N

b.

N/m

c.

N/m²

d.

N/m³

Discuss
Answer: (c).N/m²
Q270.
Power requirement of fans having constant wheel diameter varies __________ fan speed.

a.

as square of

b.

directly as

c.

as cube of

d.

none of these

Discuss
Answer: (c).as cube of
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