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 25 of 77

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Q241.
Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small.

a.

thermal conductivity

b.

electrical conductivity

c.

specific gravity

d.

electrical resistivity

Discuss
Answer: (b).electrical conductivity
Q242.
For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q243.
The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q244.
Curve III in the below diagram represents a/an

a.

dilatent fluid

b.

pseudo plastic fluid

c.

ideal plastic

d.

none of these

Discuss
Answer: (b).pseudo plastic fluid
Q245.
Colebrook equation for friction factor in turbulent flow is given by following equation. It reduces to Nikuradse equation for a value of ฮต/D equal to

a.

0

b.

1

c.

โˆž

d.

0.5

Discuss
Answer: (b).1
Q246.
The percentage slip in a reciprocating pump set is given by the % of (where, Qโ‚ = actual discharge Qโ‚‚ = theoretical discharge)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q247.
The nominal size of a hose pipe is specified by its

a.

I.D.

b.

O.D.

c.

thickness

d.

none of these

Discuss
Answer: (a).I.D.
Q248.
Transition from laminar flow to turbulent flow is aided by the

a.

surface roughness and curvature (i.e.sharp corners).

b.

vibration.

c.

pressure gradient and the compressibility of the flowing medium.

d.

all (a), (b) & (c).

Discuss
Answer: (d).all (a), (b) & (c).
Q249.
For flow of fluids through packed bed, the superficial velocity is

a.

less than the average velocity through channels.

b.

more than the average velocity through channels.

c.

dependent on the pressure drop across the bed.

d.

same as the average velocity through channels.

Discuss
Answer: (a).less than the average velocity through channels.
Q250.
Cd is always __________ Cc.

a.

greater than

b.

less than

c.

equal to

d.

either more or less than

Discuss
Answer: (a).greater than
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