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 2 of 9

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Q11.
A tensile test was conducted on a steel bar. The gauge length of the bar was 10cm and the extension was 2mm. What will be the percentage elongation?

a.

0.002

b.

0.02

c.

0.2

d.

2

Discuss
Answer: (d).2
Q12.
The lateral strain is ___________

a.

The ratio of axial deformation to the original length

b.

The ratio of deformation in area to the original area

c.

The strain at right angles to the direction of applied load

d.

The ratio of length of body to the tensile force applied on it

Discuss
Answer: (c).The strain at right angles to the direction of applied load
Q13.
The unit of force in S.I. units is ?

a.

Kilogram

b.

Newton

c.

Watt

d.

Dyne

Discuss
Answer: (b).Newton
Q14.
Which of the following is not the unit of distance?

a.

Angstrom

b.

Light year

c.

Micron

d.

Milestone

Discuss
Answer: (d).Milestone
Q15.
A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be x-times the linear strain in any of the three axes when?

a.

X=1

b.

X=2

c.

X=3

d.

X=4

Discuss
Answer: (c).X=3
Q16.
A rod 200cm long is subjected to an axial pull due to which it elongates about 2mm. Calculate the amount of strain?

a.

0.001

b.

0.01

c.

0.02

d.

0.002

Discuss
Answer: (a).0.001
Q17.
Some structural members subjected to a long time sustained loads deform progressively with time especially at elevated temperatures. What is such a phenomenon called?

a.

Fatigue

b.

Creep

c.

Creep relaxation

d.

Fracture

Discuss
Answer: (b).Creep
Q18.
Find the strain of a brass rod of length 100mm which is subjected to a tensile load of 50kN when the extension of rod is equal to 0.1mm?

a.

0.01

b.

0.001

c.

0.05

d.

0.005

Discuss
Answer: (b).0.001
Q19.
The property by which a body returns to its original shape after removal of the force is called __________

a.

Plasticity

b.

Elasticity

c.

Ductility

d.

Malleability

Discuss
Answer: (b).Elasticity
Q20.
The property of a material by which it can be beaten or rolled into thin plates is called __________

a.

Malleability

b.

Plasticity

c.

Ductility

d.

Elasticity

Discuss
Answer: (a).Malleability
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