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 5 of 7

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Q41.
Which is a full size structure employed in the actual engineering design?

a.

Proton

b.

Prototype

c.

Electron

d.

Neutron

Discuss
Answer: (b).Prototype
Q42.
Which term refers to the theory and art of predicting prototype conditions from model observations?

a.

Nusselt number

b.

Dimensional homogeneity

c.

Thermal boundary layer

d.

Similitude

Discuss
Answer: (d).Similitude
Q43.
The results obtained from experiments on models can be applied to prototype only if a complete similarity exists between the model and prototype and for that the two systems may be

(i) Geometrically similar
(ii) Kinematically similar
(iii) Dynamically similar

Identify the correct statements

a.

1 and 2

b.

2 and 3

c.

1, 2 and 3

d.

1 and 3

Discuss
Answer: (c).1, 2 and 3
Q44.
Geometrically similarity prescribes that the ratio of the corresponding linear dimensions of the two systems are

a.

Unity

b.

Same

c.

Never same

d.

May be twice

Discuss
Answer: (b).Same
Q45.
Thermal similarity refers to the comparison of two systems made on the basis of their

a.

Temperature

b.

Specific heat

c.

Heat flux

d.

Length

Discuss
Answer: (d).Length
Q46.
The comparison of two systems made on the basic of their temperature, specific heat and heat flus is known as

a.

Dynamic similarity

b.

Kinematic similarity

c.

Thermal similarity

d.

Geometrical similarity

Discuss
Answer: (c).Thermal similarity
Q47.
The similarity of masses and forces of the corresponding particles of flow is known as

a.

Kinematic similarity

b.

Dynamic similarity

c.

Geometrical similarity

d.

Thermal similarity

Discuss
Answer: (b).Dynamic similarity
Q48.
The similarity of motion is known as

a.

Thermal similarity

b.

Dynamic similarity

c.

Geometrical similarity

d.

Kinematic similarity

Discuss
Answer: (d).Kinematic similarity
Q49.
The similarity of shape and form is known as

a.

Geometrical similarity

b.

Thermal similarity

c.

Geometrical similarity

d.

Kinematic similarity

Discuss
Answer: (c).Geometrical similarity
Q50.
A similarity in thermal quantities is achieved when

a.

Nusselt number is same for both the fields

b.

Nusselt number is different for both the fields

c.

Prandtl number is same for both the fields

d.

Prandtl number is different for both the fields

Discuss
Answer: (c).Prandtl number is same for both the fields
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