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 2 of 7

Q11.
How is dimensional homogeneity related with fundamental units of measurements?
Discuss
Answer: (a).Independent
Q12.
What is the time period of oscillation of a simple pendulum of length L and mass m?
Discuss
Answer: (d).2 π (L/g)^1/2
Q13.
The principle of dimensional homogeneity serves the following useful concepts

(i) It helps to check whether an equation of any physical phenomenon is dimensionally homogenous or not
(ii) It helps to determine the dimensions of a physical quantity
(iii) It helps to convert the units from one system to another

Identify the correct statements
Discuss
Answer: (c).1, 2 and 3
Q14.
The equation of friction loss in a pipe of length l and diameter d through which fluid flows with velocity v is
Discuss
Answer: (c).h i = 4 f V²/d 2 g
Q15.
Bernoulli’s equation for fluid flow along a stream line is given as
Discuss
Answer: (d).p/w + V²/2 g + y = constant
Q16.
The convective film coefficient in k cal/m² hr degree can be converted to J/m² s degree by multiplying it with a factor
Discuss
Answer: (a).1.1627
Q17.
The pressure in kg/cm² can be converted to N/m² by multiplying it with a factor
Discuss
Answer: (c).9.807 * 10⁴
Q18.
How many Newton’s are there in one kg?
Discuss
Answer: (d).9.807
Q19.
How many Joule are there in 1 k cal?
Discuss
Answer: (b).4186
Q20.
How many fundamental quantities are there?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
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