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 19 of 77

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Q181.
Fluid flow at increasing rate through a diverging pipe is an example of __________ flow.

a.

steady uniform

b.

non-steady uniform

c.

steady non-uniform

d.

non-steady non-uniform

Discuss
Answer: (d).non-steady non-uniform
Q182.
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
Q183.
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
Q184.
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
Q185.
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
Q186.
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
Q187.
The temperature in isentropic flow

a.

does not depend on Mach number.

b.

depends on Mach number only.

c.

cannot drop and then increase again downstream.

d.

none of these.

Discuss
Answer: (b).depends on Mach number only.
Q188.
For laminar flow of Newtonion fluid in a circular pipe, the velocity distribution is a function of the distance 'd' measured from the centre line of the pipe, and it follows a __________ relationship.

a.

logarithmic

b.

parabolic

c.

hyperbolic

d.

linear

Discuss
Answer: (b).parabolic
Q189.
The Prandtl mixing length is

a.

zero at the pipe wall and is a universal constant.

b.

independent of radial distance from the pipe axis.

c.

independent of the shear stress.

d.

useful for computing laminar flow problems.

Discuss
Answer: (d).useful for computing laminar flow problems.
Q190.
N²ส€โ‚‘/Nา“แตฃ is called the __________ number.

a.

Brinkman

b.

Galileo

c.

Archimedes

d.

Euler

Discuss
Answer: (b).Galileo
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