Stress and Strain MCQs

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

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Stress and Strain. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Stress and Strain MCQs | Page 3 of 9

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Q21.
Which law is also called as the elasticity law?

a.

Bernoulli’s law

b.

Stress law

c.

Hooke’s law

d.

Poisson’s law

Discuss
Answer: (c).Hooke’s law
Q22.
The materials which have the same elastic properties in all directions are called __________

a.

Isotropic

b.

Brittle

c.

Homogeneous

d.

Hard

Discuss
Answer: (a).Isotropic
Q23.
A member which does not regain its original shape after removal of the load producing deformation is said __________

a.

Plastic

b.

Elastic

c.

Rigid

d.

None of the mentioned

Discuss
Answer: (a).Plastic
Q24.
The body will regain it is previous shape and size only when the deformation caused by the external forces, is within a certain limit. What is that limit?

a.

Plastic limit

b.

Elastic limit

c.

Deformation limit

d.

None of the mentioned

Discuss
Answer: (b).Elastic limit
Q25.
As the elastic limit reaches, tensile strain __________

a.

Increases more rapidly

b.

Decreases more rapidly

c.

Increases in proportion to the stress

d.

Decreases in proportion to the stress

Discuss
Answer: (a).Increases more rapidly
Q26.
What kind of elastic materials are derived from a strain energy density function?

a.

Cauchy elastic materials

b.

Hypo elastic materials

c.

Hyper elastic materials

d.

None of the mentioned

Discuss
Answer: (c).Hyper elastic materials
Q27.
What the number that measures an object’s resistance to being deformed elastically when stress is applied to it?

a.

Elastic modulus

b.

Plastic modulus

c.

Poisson’s ratio

d.

Stress modulus

Discuss
Answer: (a).Elastic modulus
Q28.
The law which states that within elastic limits strain produced is proportional to the stress producing it is known as _____________

a.

Bernoulli’s law

b.

Hooke’s law

c.

Stress law

d.

Poisson’s law

Discuss
Answer: (b).Hooke’s law
Q29.
For an isotropic, homogeneous and elastic material obeying Hooke’s law, the number of independent elastic constants is ____________

a.

2

b.

3

c.

9

d.

1

Discuss
Answer: (b).3
Q30.
What is the factor of safety?

a.

The ratio of stress to strain

b.

The raio of permissible stress to the ultimate stress

c.

The ratio of ultimate stress to the permissible stress

d.

The ratio of longitudinal strain to stress

Discuss
Answer: (c).The ratio of ultimate stress to the permissible stress
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