Strength of Materials MCQs

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

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Strength of Materials. 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 Strength of Materials knowledge to the test? Let's get started with our carefully curated MCQs!

Strength of Materials MCQs | Page 11 of 44

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Q101.
In the below figure, the point C represents

a.

elastic limit

b.

upper yield point

c.

lower yield point

d.

breaking point

Discuss
Answer: (c).lower yield point
Q102.
For the beam shown in the below figure, the shear force diagram between A and B is

a.

a horizontal line

b.

a vertical line

c.

an inclined line

d.

a parabolic curve

Discuss
Answer: (d).a parabolic curve
Q103.
Principle plane is a plane on which the shear stress is

a.

zero

b.

minimum

c.

maximum

d.

None of these

Discuss
Answer: (a).zero
Q104.
For a 25 mm hole drilled in plates, the diameter of rivet shank should be

a.

23mm

b.

24.5mm

c.

25mm

d.

26mm

Discuss
Answer: (a).23mm
Q105.
A beam of uniform strength has

a.

same cross-section throughout the beam

b.

same bending stress at every section

c.

same bending moment at every section

d.

same shear stress at every section

Discuss
Answer: (b).same bending stress at every section
Q106.
The shear force of a simply supported beam carrying a central point load changes sign at its midpoint.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q107.
In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the

a.

normal stress remains constant in all directions

b.

normal stress varies linearly in the material

c.

elastic constants are same in all the directions

d.

elastic constants varies linearly in the material

Discuss
Answer: (c).elastic constants are same in all the directions
Q108.
The Poisson's ratio for cast iron varies from

a.

0.33 to 0.37

b.

0.21 to 0.26

c.

0.31 to 0.34

d.

0.32 to 0.42

Discuss
Answer: (b).0.21 to 0.26
Q109.
The Rankine's theory for active earth pressure is based on the assumption that

a.

the retained material is homogeneous and cohesionless

b.

the frictional resistance between the retaining wall and the retained material is neglected

c.

the failure of the retained material takes place along a plane called rupture plane

d.

all of the above

Discuss
Answer: (d).all of the above
Q110.
The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as

a.

impact energy

b.

proof resilience

c.

proof stress

d.

modulus of resilience

Discuss
Answer: (b).proof resilience
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