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!

So, are you ready to put your Stress and Strain knowledge to the test? Let's get started with our carefully curated MCQs!

Stress and Strain MCQs | Page 8 of 9

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Q71.
How many elastic constants of a linear, elastic, isotropic material will be?

a.

2

b.

3

c.

1

d.

4

Discuss
Answer: (a).2
Q72.
How many elastic constants of a non homogeneous, non isotropic material will be?

a.

9

b.

15

c.

20

d.

21

Discuss
Answer: (d).21
Q73.
How can be the Poissons ratio be expressed in terms of bulk modulus(K) and modulus of rigidity(G)?

a.

(3K – 4G) / (6K + 4G)

b.

(3K + 4G) /( 6K – 4G)

c.

(3K – 2G) / (6K + 2G)

d.

(3K + 2G) / (6K – 2G)

Discuss
Answer: (c).(3K – 2G) / (6K + 2G)
Q74.
Calculate the modulus of resilience for a 2m long bar which extends 2mm under limiting axial stress of 200 N/mm²?

a.

0.01

b.

0.20

c.

0.10

d.

0.02

Discuss
Answer: (c).0.10
Q75.
In an experiment, the bulk modulus of elasticity of a material is twice its modulus of rigidity. The Poissons ratio of the material is ___________

a.

1/7

b.

2/7

c.

3/7

d.

4/7

Discuss
Answer: (b).2/7
Q76.
What will be the value of the Poisson’s ratio if the Youngs modulus E is equal to the bulk modulus K?

a.

1/2

b.

1/4

c.

1/3

d.

3/4

Discuss
Answer: (c).1/3
Q77.
What is the expression for modulus of rigidity in terms of modulus of elasticity and the Poissons ratio?

a.

G = 3E / 2(1 + μ)

b.

G = 5E / (1 + μ)

c.

G = E / 2(1 + μ)

d.

G = E/ (1 + 2μ)

Discuss
Answer: (c).G = E / 2(1 + μ)
Q78.
What is the relationship between Youngs modulus E, modulus of rigidity C, and bulk modulus K?

a.

E = 9KC / (3K + C)

b.

E = 9KC / (9K + C)

c.

E = 3KC / (3K + C)

d.

E = 3KC / (9K + C)

Discuss
Answer: (a).E = 9KC / (3K + C)
Q79.
What is the limiting values of Poisson’s ratio?

a.

-1 and 0.5

b.

-1 and -0.5

c.

-1 and -0.5

d.

0 and 0.5

Discuss
Answer: (d).0 and 0.5
Q80.
What is the relationship between modulus of elasticity and modulus of rigidity?

a.

C = E / 2(1 + μ)

b.

C = E / (1 + μ)

c.

C = 2E / (1 + μ)

d.

C = 2E / 2(1 + μ)

Discuss
Answer: (c).C = 2E / (1 + μ)
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