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 26 of 44

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Q251.
At the neutral axis of a beam, the shear stress is

a.

zero

b.

minimum

c.

maximum

d.

infinity

Discuss
Answer: (c).maximum
Q252.
A beam of triangular section is placed with its base horizontal. The maximum shear stress occurs at

a.

apex of the triangle

b.

mid of the height

c.

centre of gravity of the triangle

d.

base of the triangle

Discuss
Answer: (b).mid of the height
Q253.
When a body is subjected to a direct tensile stress (ฯƒ) in one plane, then normal stress on an oblique section of the body inclined at an angle ฮธ to the normal of the section is

a.

ฯƒ cos ฮธ

b.

ฯƒ cos² ฮธ

c.

ฯƒ sin ฮธ

d.

ฯƒ sin2 ฮธ

Discuss
Answer: (b).ฯƒ cos² ฮธ
Q254.
The columns whose slenderness ratio is less than 80, are known as

a.

short columns

b.

long columns

c.

weak columns

d.

medium columns

Discuss
Answer: (a).short columns
Q255.
The equivalent length, of a given column with given end conditions, is the length of an equivalent column of the same material and cross-section with hinged ends, and having the value of crippling load equal to that of the given column.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q256.
Within elastic limit, shear stress is __________ shear strain.

a.

equal to

b.

less than

c.

directly proportional to

d.

inversely proportional to

Discuss
Answer: (c).directly proportional to
Q257.
For a given stress, the ratio of moment of resistance of a beam of square cross-section when placed with its two sides horizontal to the moment of resistance with its diagonal horizontal, is

a.

1/2

b.

1

c.

1/2

d.

2

Discuss
Answer: (d).2
Q258.
The Young's modulus of a material is 125 GPa and Poissons ratio is 0.25. The modulus of rigidity of me material is

a.

30 GPa

b.

50 GPa

c.

80 GPa

d.

100 GPa

Discuss
Answer: (b).50 GPa
Q259.
If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to

a.

2C

b.

3C

c.

2C/3

d.

3C/2

Discuss
Answer: (c).2C/3
Q260.
A simply supported beam 'A' of length l, breadth b and depth d carries a central point load W. Another bream 'B' has the same length and breadth but its depth is doubled. The deflection of beam 'B' will be double as compared to beam 'A'.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (b).Incorrect
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