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 3 of 44

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Q21.
The polar moment of inertia of a hollow shaft of outer diameter (D) and inner diameter (d) is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q22.
In the below figure, the stress corresponding to point D is

a.

yield point stress

b.

breaking stress

c.

ultimate stress

d.

elastic limit

Discuss
Answer: (c).ultimate stress
Q23.
The polar modulus for a solid shaft of diameter (D) is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q24.
For a beam, as shown in the below figure, the maximum deflection lies at

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q25.
When a body is subjected to bi-axial stress i.e. direct stresses (ฯƒx) and (ฯƒy) in two mutually perpendicular planes accompanied by a simple shear stress (ฯ„xy), then minimum normal stress is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q26.
The bending stress in a beam is __________ section modulus.

a.

directly proportional to

b.

inversely proportional to

c.

Can't say

d.

None of these

Discuss
Answer: (b).inversely proportional to
Q27.
When shear force at a point is zero, then bending moment is __________ at that point.

a.

zero

b.

minimum

c.

maximum

d.

infinity

Discuss
Answer: (c).maximum
Q28.
When a bar is cooled to - 5°C, it will develop

a.

no stress

b.

shear stress

c.

tensile stress

d.

compressive stress

Discuss
Answer: (c).tensile stress
Q29.
The limit of eccentricity is based upon no tension condition.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q30.
The strain energy stored in a solid circular shaft subjected to shear stress (ฯ„) is (where C = Modulus of rigidity for the shaft material)

a.

x Volume of shaft

b.

x Volume of shaft

c.

x Volume of shaft

d.

x Volume of shaft

Discuss
Answer: (d).x Volume of shaft
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