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 9 of 44

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Q81.
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 maximum normal stress is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q82.
According to Euler's column theory, the crippling load for a column length (l) hinged at both ends, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q83.
The horizontal thrust offered by the retaining wall on the retained material is (where w = Specific weight of the retained material, h = height of retaining wall, and (ฯ†) = Angle of repose of the retained earth)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q84.
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
Q85.
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
Q86.
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
Q87.
An overhanging beam must overhang on both sides.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q88.
The resultant stress on an inclined plane which is inclined at an angle ฮธ to the normal cross-section of a body which is subjected to a direct tensile stress (ฯƒ) in one plane, is

a.

ฯƒ sin ฮธ

b.

ฯƒ cos ฮธ

c.

ฯƒ sin²ฮธ

d.

ฯƒ cos²ฮธ

Discuss
Answer: (b).ฯƒ cos ฮธ
Q89.
In Mohr's circle, the centre of circle from Y-axis is taken as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q90.
The maximum deflection of a fixed beam of length l carrying a central point load W is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
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