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 20 of 44

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Q191.
The unit of strain is

a.

N-mm

b.

N/mm

c.

mm

d.

no unit

Discuss
Answer: (d).no unit
Q192.
The maximum deflection of a cantilever beam of length L with a point load W at the free end is

a.

WL³/3EI

b.

WL³/8EI

c.

WL³/16EI

d.

WL³/48EI

Discuss
Answer: (a).WL³/3EI
Q193.
The maximum bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length lies at the middle of its length.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (b).False
Q194.
Young's modulus may be defined as the ratio of

a.

linear stress to lateral strain

b.

lateral strain to linear strain

c.

linear stress to linear strain

d.

shear stress to shear strain

Discuss
Answer: (c).linear stress to linear strain
Q195.
The maximum shear stress in a thin cylindrical shell subjected to internal pressure p is

a.

pd/t

b.

pd/2t

c.

pd/4t

d.

pd/8t

Discuss
Answer: (d).pd/8t
Q196.
When a shaft, is subjected to torsion, the shear stress induced in the shaft varies from

a.

minimum at the centre to maximum at the circumference

b.

maximum at the centre to minimum at the circumference

c.

zero at the centre to maximum at the circumference

d.

maximum at the centre to zero at the circumference

Discuss
Answer: (c).zero at the centre to maximum at the circumference
Q197.
The maximum bending moment for a simply supported beam with a gradually varying load from zero at both ends and w per metre at the centre, lies at the centre of a beam.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
Q198.
A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum shear stress will be

a.

400 MPa

b.

500 MPa

c.

900 MPa

d.

1400 MPa

Discuss
Answer: (b).500 MPa
Q199.
A shaft of diameter D is subjected to a twisting moment (T) and a bending moment (M). If the maximum bending stress is equal to maximum shear stress developed, then M is equal to

a.

T/2

b.

T

c.

2T

d.

4T

Discuss
Answer: (a).T/2
Q200.
The factor of safety is always more than unity.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
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