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 10 of 44

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Q91.
In the below figure, the plastic range occurs

a.

before point A

b.

beyond point A

c.

between points A and D

d.

between points D and E

Discuss
Answer: (b).beyond point A
Q92.
The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum shear stress is

a.

10 MPa

b.

30 MPa

c.

50 MPa

d.

100 MPa

Discuss
Answer: (c).50 MPa
Q93.
The elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length.

a.

equal to

b.

half

c.

one-third

d.

two-third

Discuss
Answer: (c).one-third
Q94.
When the shear force diagram is a parabolic curve between two points, it indicates that there is a

a.

point load at the two points

b.

no loading between the two points

c.

uniformly distributed load between the two points

d.

uniformly varying load between the two points

Discuss
Answer: (d).uniformly varying load between the two points
Q95.
The efficiency of a riveted joint is the ratio of the strength of the joint to the strength of the solid plate.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q96.
According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends.

a.

equal to

b.

less than

c.

more than

d.

None of these

Discuss
Answer: (b).less than
Q97.
If percentage reduction in area of a certain specimen made of material 'A' under tensile test is 60% and the percentage reduction in area of a specimen with same dimensions made of material 'B' is 40%, then

a.

the material A is more ductile than material B

b.

the material B is more ductile than material A

c.

the ductility of material A and B is equal

d.

the material A is brittle and material B is ductile

Discuss
Answer: (a).the material A is more ductile than material B
Q98.
The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of

a.

one right angled triangle

b.

two right angled triangles

c.

one equilateral triangle

d.

two equilateral triangles

Discuss
Answer: (b).two right angled triangles
Q99.
A body is subjected to two normal stresses 20 kN/m² (tensile) and 10 kN/m² (compressive) acting perpendicular to each other. The maximum shear stress is

a.

5 kN/m²

b.

10 kN/m²

c.

15 kN/m²

d.

20 kN/m²

Discuss
Answer: (c).15 kN/m²
Q100.
When a cantilever beam is loaded at its free end, the maximum compressive stress shall develop at

a.

bottom fibre

b.

top fibre

c.

neutral axis

d.

centre of gravity

Discuss
Answer: (a).bottom fibre
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