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 4 of 7

Q31.
If there are n variables in a dimensionally homogeneous equation and if these variables contain m primary dimensions, then the variables can be grouped into how many non-dimensional parameters?
Discuss
Answer: (b).n-m
Q32.
Which of the following is not known as core group?
Discuss
Answer: (a).Time
Q33.
What is the dimension of resistance?
Discuss
Answer: (c).M L T¯²
Q34.
The resistance R experienced by a partially submerged body depends upon the velocity V, length of the body l, viscosity of the fluid µ, density of the fluid p and gravitational acceleration g. Establish a relation between involving non-dimensional groups
Discuss
Answer: (d).R = p V² l function [p V l/ µ, V/ (lg)^1/2].
Q35.
If there are 6 physical quantities and 3 fundamental units, then the number of pi terms are

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
Q36.
The study of predicting prototype conditions from model observations is known as
Discuss
Answer: (a).Similitude
Q37.
S.I unit of heat is
Discuss
Answer: (a).J
Q38.
S.I unit of coefficient of volumetric expansion is
Discuss
Answer: (d).Per degree
Q39.
S.I unit of specific heat is
Discuss
Answer: (c).k J/kg K
Q40.
S.I unit of dynamic viscosity is
Discuss
Answer: (b).kg/m s
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