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 9 of 44

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Q81.
The relation between Young's modulus (E), shear modulus (C) and bulk modulus (K) is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q82.
The torque transmitted by a hollow shaft of outer diameter (D) and inner diameter (d) is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q83.
The maximum shear stress, in the given figure, is equal to __________ of the Mohr's circle.

a.

radius

b.

diameter

c.

circumference

d.

area

Discuss
Answer: (a).radius
Q84.
A simply supported beam of length l carries a point load W at a point C as shown in the below figure. The maximum deflection lies at

a.

point A

b.

point B

c.

point C

d.

between points B and C

Discuss
Answer: (d).between points B and C
Q85.
When a body is subjected to direct tensile stresses (ฯƒx and ฯƒy ) in two mutually perpendicular directions, accompanied by a simple shear stress ฯ„xy , then in Mohr's circle method, the circle radius is taken as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q86.
Principle plane is a plane on which the shear stress is

a.

zero

b.

minimum

c.

maximum

d.

None of these

Discuss
Answer: (a).zero
Q87.
For a 25 mm hole drilled in plates, the diameter of rivet shank should be

a.

23mm

b.

24.5mm

c.

25mm

d.

26mm

Discuss
Answer: (a).23mm
Q88.
A beam of uniform strength has

a.

same cross-section throughout the beam

b.

same bending stress at every section

c.

same bending moment at every section

d.

same shear stress at every section

Discuss
Answer: (b).same bending stress at every section
Q89.
The shear force of a simply supported beam carrying a central point load changes sign at its midpoint.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q90.
In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the

a.

normal stress remains constant in all directions

b.

normal stress varies linearly in the material

c.

elastic constants are same in all the directions

d.

elastic constants varies linearly in the material

Discuss
Answer: (c).elastic constants are same in all the directions
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