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 22 of 44

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Q211.
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
Q212.
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
Q213.
The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called

a.

compressive stress

b.

shear stress

c.

bending stress

d.

elastic modulus

Discuss
Answer: (c).bending stress
Q214.
The section modulus of a rectangular section about an axis through its C.G., is

a.

b/2

b.

d/2

c.

bd2/2

d.

bd2/6

Discuss
Answer: (d).bd2/6
Q215.
The ratio of shear modulus to the modulus of elasticity for a Poisson's ratio of 0.4 will be

a.

5/7

b.

7/5

c.

5/14

d.

14/5

Discuss
Answer: (c).5/14
Q216.
The maximum deflection of a fixed beam of length L carrying a total load W uniformly distributed over the whole length is

a.

WL³/48EI

b.

WL³/96EI

c.

WL³/192EI

d.

WL³/384EI

Discuss
Answer: (d).WL³/384EI
Q217.
The pull required to tear off the plate per pitch length is (where p = Pitch of rivets, t = Thickness of plates, and ฯƒt, ฯ„ and ฯƒc = Permissible tensile, shearing and crushing stresses respectively)

a.

(p - 2d)t x ฯƒc

b.

(p - d)t x ฯ„

c.

(p - d)t x ฯƒt

d.

(2p - d)t x ฯƒt

Discuss
Answer: (c).(p - d)t x ฯƒt
Q218.
When a beam is subjected to bending moment, the stress at any point is __________ the distance of the point from the neutral axis.

a.

equal to

b.

directly proportional to

c.

inversely proportional to

d.

independent of

Discuss
Answer: (b).directly proportional to
Q219.
The torsional rigidity of a shaft is given by

a.

T/J

b.

T/ฮธ

c.

T/r

d.

T/G

Discuss
Answer: (b).T/ฮธ
Q220.
The unit of strain is

a.

N-mm

b.

N/mm

c.

mm

d.

no unit

Discuss
Answer: (d).no unit
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