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 14 of 44

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Q131.
A thin cylindrical shell of diameter (d), length (l) and thickness (t) is subjected to an internal pressure (p). The ratio of longitudinal strain to hoop strain is

a.

m-2/2m-1

b.

2m-1/m-2

c.

m-2/2m+1

d.

2m+1/m-2

Discuss
Answer: (a).m-2/2m-1
Q132.
A simply supported beam of length l is loaded with a uniformly distributed load of w per unit length. The maximum deflection is and lies at the centre of the beam.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q133.
In a thick cylindrical shell subjected to an internal pressure (p), the tangential stress across the thickness of a cylinder is

a.

maximum at the outer surface and minimum at the inner surface

b.

maximum at the inner surface and minimum at the outer surface

c.

maximum at the outer surface and zero at the inner surface

d.

maximum at the inner surface and zero at the outer surface

Discuss
Answer: (b).maximum at the inner surface and minimum at the outer surface
Q134.
A bar of copper and steel form a composite system, which is heated to a temperature of 40°C. The stress induced in the copper bar will be

a.

tensile

b.

compressive

c.

shear

d.

zero

Discuss
Answer: (b).compressive
Q135.
Two closely-coiled helical springs 'A' and 'B' of the same matenal, same number of turns and made from same wire are subjected to an axial load W. The mean diameter of spring 'A' is double the mean diameter of spring 'B'. The ratio of deflections in spring 'B' to spring 'A' will be

a.

1/8

b.

1/4

c.

2

d.

4

Discuss
Answer: (a).1/8
Q136.
Two shafts 'A' and 'B' have the same material. The shaft 'A' is solid of diameter 100 mm. The shaft 'B' is hollow with outer diameter 100 mm and inner diameter 50 mm. The torque transmitted by shaft 'B' is __________ as that of shaft 'A'.

a.

1/6

b.

1/8

c.

1/4

d.

15/16

Discuss
Answer: (d).15/16
Q137.
The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, l = Length of weld, and σt = Allowable tensile stress for weld metal)

a.

0.5 s.l.σt

b.

s.l.σt

c.

2 s.l.σt

d.

2.s.l.σt

Discuss
Answer: (c).2 s.l.σt
Q138.
The direct stress, across a principal plane, is known as principal stress.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (a).Yes
Q139.
On one side of a neutral axis of a beam, there is a tensile stress and on the other side of the beam there is a compressive stress.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
Q140.
When a body is subjected to a direct tensile stress (σ), the maximum normal stress is equal to the direct tensile stress.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
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