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 17 of 44

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Q161.
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
Q162.
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
Q163.
The tensile strength of the welded joint for double fillet is (where s = Leg or size of the weld, l = Length of weld, and ฯƒt = Allowable tensile stress for weld metal)

a.

0.5 s.l.ฯƒt

b.

s.l.ฯƒt

c.

2 s.l.ฯƒt

d.

2.s.l.ฯƒt

Discuss
Answer: (c).2 s.l.ฯƒt
Q164.
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
Q165.
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
Q166.
When a body is subjected to a direct tensile stress (ฯƒ), 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
Q167.
A reinforced cement concrete beam is considered to be made of

a.

homogeneous material

b.

hetrogeneous material

c.

composite material

d.

isotropic material

Discuss
Answer: (b).hetrogeneous material
Q168.
The ratio of bulk modulus to Young's modulus for a Poisson's ratio of 0.25 will be

a.

1/3

b.

2/3

c.

1

d.

3/2

Discuss
Answer: (b).2/3
Q169.
The bending moment diagram for a cantilever beam of length l and carrying a gradually varying load from zero at the free end and w per unit length at the fixed end is a parabolic curve.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
Q170.
The bending moment diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, will be

a.

a horizontal line

b.

a vertical line

c.

an inclined line

d.

a parabolic curve

Discuss
Answer: (d).a parabolic curve
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