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 21 of 44

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Q201.
When a rectangular bar of length l, breadth b and thickness t is subjected to an axial pull of P, then linear strain (ฮต) is given by (where E = Modulus of elasticity)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q202.
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
Q203.
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
Q204.
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
Q205.
The factor of safety is always more than unity.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q206.
Mohr's circle is used to determine the stresses on an oblique section of a body subjected to

a.

direct tensile stress in one plane accompanied by a shear stress

b.

direct tensile stress in two mutually perpendicular directions

c.

direct tensile stress in two mutually perpendicular directions accompanied by a simple shear stress

d.

all of the above

Discuss
Answer: (d).all of the above
Q207.
The proof resilience is the maximum strain energy which can be stored in a body.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (a).Yes
Q208.
The maximum shear stress developed in a beam of rectangular section is __________ the average shear stress.

a.

equal to

b.

4/3 times

c.

1.5 times

d.

twice

Discuss
Answer: (c).1.5 times
Q209.
The strength of a riveted joint is equal to the

a.

pull required to tear off the plate per pitch length (Pt)

b.

pull required to shear off the rivet per pitch length (Ps)

c.

pull required to crush the rivet per pitch length (Pc)

d.

minimum value of Pt, Ps or Pc

Discuss
Answer: (d).minimum value of Pt, Ps or Pc
Q210.
The neutral axis of the symmetrical beam does not pass through the centroid of the beam.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (b).Disagree
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