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 13 of 44

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Q121.
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
Q122.
The polar modulus for a solid shaft of diameter (D) is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q123.
For a beam, as shown in the below figure, the maximum deflection lies at

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q124.
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
Q125.
A shaft revolving at ฯ‰ rad / s transmits torque (T) in N-m. The power developed is

a.

T.ฯ‰ watts

b.

2 ฯ€ Tฯ‰ watts

c.

watts

d.

watts

Discuss
Answer: (a).T.ฯ‰ watts
Q126.
The unit of modulus of elasticity is same as those of

a.

stress, strain and pressure

b.

stress, force and modulus of rigidity

c.

strain, force and pressure

d.

stress, pressure and modulus of rigidity

Discuss
Answer: (d).stress, pressure and modulus of rigidity
Q127.
The shear force diagram fora cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is a

a.

horizontal straight line

b.

vertical straight line

c.

inclined line

d.

parabolic curve

Discuss
Answer: (d).parabolic curve
Q128.
When one plate overlaps the other and the two plates are riveted together with two rows of rivets, the joint is known as

a.

single riveted lap joint

b.

double riveted lap joint

c.

double riveted single cover butt joint

d.

double riveted double cover butt joint

Discuss
Answer: (b).double riveted lap joint
Q129.
When a beam is subjected to a bending moment, the strain in a layer is __________ the distance from the neutral axis.

a.

equal to

b.

directly proportional to

c.

inversely proportional to

d.

independent of

Discuss
Answer: (b).directly proportional to
Q130.
The thermal or temperature stress is a function of

a.

increase in temperature

b.

modulus of elasticity

c.

coefficient of linear expansion

d.

all of these

Discuss
Answer: (d).all of these
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