Dimensional Analysis MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Dimensional Analysis, a fundamental topic in the field of Heat Transfer. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Dimensional Analysis 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 Dimensional Analysis mcq questions that explore various aspects of Dimensional Analysis problems. Each MCQ is crafted to challenge your understanding of Dimensional Analysis principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Heat Transfer tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Dimensional Analysis MCQs are your pathway to success in mastering this essential Heat Transfer topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Dimensional Analysis. 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 Dimensional Analysis knowledge to the test? Let's get started with our carefully curated MCQs!

Dimensional Analysis MCQs | Page 7 of 7

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Q61.
The ratio of heat flow rate by convection to flow rate by conduction is known as

a.

Stanton number

b.

Graetz number

c.

Fourier number

d.

Peclet number

Discuss
Answer: (d).Peclet number
Q62.
The ratio of heat capacity of fluid flowing through the pipe per unit of length to the conductivity of pipe material is known as

a.

Graetz number

b.

Reynolds number

c.

Peclet number

d.

Fourier number

Discuss
Answer: (a).Graetz number
Q63.
Identify the correct statement

a.

Peclet number = (Graetz number) (Fourier number)

b.

Peclet number = (Stanton number) (Fourier number)

c.

Peclet number = (Reynolds number) (Prandtl number)

d.

Peclet number = (Graetz number) (Reynolds number)

Discuss
Answer: (c).Peclet number = (Reynolds number) (Prandtl number)
Q64.
What is the value of Prandtl number for highly viscous oils?

a.

100-1000

b.

0-100

c.

10-100

d.

100-10000

Discuss
Answer: (d).100-10000
Q65.
What is the value of Prandtl number for liquid metals?

a.

0.003-0.01

b.

0.01-0.1

c.

0.1-0.5

d.

0.5-0.95

Discuss
Answer: (a).0.003-0.01
Q66.
The product of buoyant force and inertia force to the square of the viscous force is known as

a.

Stanton number

b.

Grashof number

c.

Fourier number

d.

Peclet number

Discuss
Answer: (b).Grashof number
Q67.
The ratio of heat transfer coefficient to the flow of heat per unit temperature rise due to the velocity of the fluid is known as

a.

Fourier number

b.

Grashof number

c.

Peclet number

d.

Stanton number

Discuss
Answer: (d).Stanton number
Q68.
Which number indicates the relative ability of the fluid to diffuse momentum and internal energy by molecular mechanisms?

a.

Nusselt number

b.

Prandtl number

c.

Peclet number

d.

Stanton number

Discuss
Answer: (b).Prandtl number
Q69.
Which number establishes the relation between convective film coefficient, thermal conductivity of the fluid and a significant length parameter?

a.

Nusselt number

b.

Stanton number

c.

Peclet number

d.

Fourier number

Discuss
Answer: (a).Nusselt number
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