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 18 of 44

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Q171.
A closely coiled helical spring is of mean diameter (D) and spring wire diameter (d). The spring index is the ratio of

a.

1/d

b.

1/D

c.

D/d

d.

d/D

Discuss
Answer: (c).D/d
Q172.
The strain energy stored in a body, when the load is gradually applied, is (where ฯƒ = Stress in the material of the body, V = Volume of the body, and E = Modulus of elasticity of the material)

a.

ฯƒV/E

b.

ฯƒE/V

c.

ฯƒ²E/2V

d.

ฯƒ²V/2E

Discuss
Answer: (d).ฯƒ²V/2E
Q173.
If the diameter of pressure vessel is 15 times the wall thickness, the vessel is said to be a thick shell.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
Q174.
The rivets are used for __________ fastenings.

a.

permanent

b.

temporary

c.

Can't say

d.

None of these

Discuss
Answer: (a).permanent
Q175.
A beam which is fixed at one end and free at the other is called

a.

simply supported beam

b.

fixed beam

c.

overhanging beam

d.

cantilever beam

Discuss
Answer: (d).cantilever beam
Q176.
When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as

a.

Young's modulus

b.

modulus of rigidity

c.

bulk modulus

d.

Poisson's ratio

Discuss
Answer: (c).bulk modulus
Q177.
For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the maximum deflection is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q178.
The maximum bending moment for the beam shown in the below figure, lies at a distance of __________ from the end B.

a.

l/2

b.

l/3

c.

I/โˆš2

d.

I/โˆš3

Discuss
Answer: (d).I/โˆš3
Q179.
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
Q180.
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
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