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 4 of 44

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Q31.
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
Q32.
Whenever a material is loaded within elastic limit, stress is __________ strain.

a.

equal to

b.

directly proportional to

c.

inversely proportional to

d.

None of these

Discuss
Answer: (b).directly proportional to
Q33.
A load which is spread over a beam in such a manner that it varies uniformly over the whole length of abeam is called uniformly __________ load.

a.

distributed

b.

varying

c.

Can't say

d.

None of these

Discuss
Answer: (b).varying
Q34.
Which of the following statement is correct?

a.

The energy stored in a body, when strained within elastic limit is known as strain energy.

b.

The maximum strain energy which can be stored in a body is termed as proof resilience.

c.

The proof resilience per unit volume of a material is known as modulus of resilience.

d.

all of the above

Discuss
Answer: (d).all of the above
Q35.
The bending moment at a point on a beam is the algebraic __________ of all the moments on either side of the point.

a.

sum

b.

difference

c.

Can't say

d.

None of these

Discuss
Answer: (a).sum
Q36.
The maximum diameter of the hole that can be punched from a plate of maximum shear stress 1/4th of its maximum crushing stress of punch, is equal to (where t = Thickness of the plate)

a.

t

b.

2t

c.

4t

d.

8t

Discuss
Answer: (c).4t
Q37.
Two closely coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is half that of spring 'B' The ratio of deflections in spring 'A' to spring 'B' is

a.

1/8

b.

1/4

c.

1/2

d.

2

Discuss
Answer: (c).1/2
Q38.
The deformation per unit length is called

a.

tensile stress

b.

compressive stress

c.

shear stress

d.

strain

Discuss
Answer: (d).strain
Q39.
In order to know whether a column is long or short, we must know its slenderness ratio.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q40.
A composite shaft consisting of two stepped portions having spring constants k1 and k2 is held between two rigid supports at the ends. Its equivalent spring constant is

a.

k1+k2/2

b.

k1+k2/k1k2

c.

k1k2/k1+k2

d.

k1+k2

Discuss
Answer: (d).k1+k2
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