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 1 of 9

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Q1.
What is the point P shown on the stress strain curve?

a.

Upper yield point

b.

Yield plateau

c.

Elastic limit

d.

Ultimate point

Discuss
Answer: (d).Ultimate point
Q2.
What is the point P shown in the stress-strain curve?

a.

Lower yield point

b.

Elastic limit

c.

Proportionality limit

d.

Breaking point

Discuss
Answer: (d).Breaking point
Q3.
What is the point shown in the stress strain curve?

a.

Elastic limit

b.

Lower yield point

c.

Yield plateau

d.

Lower strain point

Discuss
Answer: (b).Lower yield point
Q4.
A rigid beam ABCD is hinged at D and supported by two springs at A and B as shown in the given figure. The beam carries a vertical load P and C. the stiffness of spring at A is 2K and that of B is K.
What will be the ratio of forces of spring at A and that of spring at B?

a.

4

b.

3

c.

2

d.

1

Discuss
Answer: (b).3
Q5.
The dimension of strain is?

a.

LT⁻²

b.

N/m²

c.

N

d.

Dimensionless

Discuss
Answer: (d).Dimensionless
Q6.
What is tensile strain?

a.

The ratio of change in length to the original length

b.

The ratio of original length to the change in length

c.

The ratio of tensile force to the change in length

d.

The ratio of change in length to the tensile force applied

Discuss
Answer: (a).The ratio of change in length to the original length
Q7.
Find the strain of a brass rod of length 250mm which is subjected to a tensile load of 50kN when the extension of rod is equal to 0.3mm?

a.

0.025

b.

0.0012

c.

0.0046

d.

0.0014

Discuss
Answer: (b).0.0012
Q8.
Find the elongation of an steel rod of 100mm length when it is subjected to a tensile strain of 0.005?

a.

0.2mm

b.

0.3mm

c.

0.5mm

d.

0.1mm

Discuss
Answer: (c).0.5mm
Q9.
A tensile test was conducted on a mild steel bar. The diameter and the gauge length of bat was 3cm and 20cm respectively. The extension was 0.21mm. What is the value to strain?

a.

0.0010

b.

0.00105

c.

0.0105

d.

0.005

Discuss
Answer: (b).0.00105
Q10.
i) Strain is a fundamental behaviour of a material.
ii) Strain does not have a unit.

a.

Both i and ii are true and ii is the correct explanation of i

b.

Both i and ii are true but ii is not the correct explanation of i

c.

i is true but ii is false

d.

ii is true but i is false

Discuss
Answer: (b).Both i and ii are true but ii is not the correct explanation of i
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