Materials Strength MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Materials Strength, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Materials Strength 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 Materials Strength mcq questions that explore various aspects of Materials Strength problems. Each MCQ is crafted to challenge your understanding of Materials Strength principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Materials Strength MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Materials Strength. 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 Materials Strength knowledge to the test? Let's get started with our carefully curated MCQs!

Materials Strength MCQs | Page 3 of 24

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Q21.
The ratio of the moments of resistance of a solid circular shaft of diameter D and a hollow shaft (external diameter D and internal diameter d), is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q22.
A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its free end upward. The net deflection of the free end will be

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q23.
For a given material, if E, C, K and m are Young's modulus, shearing modulus, bulk modulus and poisson ratio, the following relation does not hold good

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q24.
In the given below figure, the rivets with maximum stress, are :

a.

1 and 2

b.

1 and 3

c.

3 and 4

d.

2 and 4

Discuss
Answer: (d).2 and 4
Q25.
For the beam shown in below figure, the maximum positive bending moment is nearly equal to negative bending moment when L1 is equal to

a.

1.0 L

b.

0.7 L

c.

0.5 L

d.

0.35 L

Discuss
Answer: (d).0.35 L
Q26.
A composite member shown in below figure was formed at 25°C and was made of two materials a and b. If the coefficient of thermal expansion of a is more than that of b and the composite member is heated upto 45°C, then

a.

a will be in tension and b in compression

b.

both will be in compression

c.

both will be in tension

d.

a will be in compression and b in tension

Discuss
Answer: (d).a will be in compression and b in tension
Q27.
As compared to uniaxial tension or compression, the strain energy stored in bending is only

a.

1/8

b.

1/4

c.

1/3

d.

1/2

Discuss
Answer: (c).1/3
Q28.
The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is

a.

1/4

b.

1/2

c.

1/16

d.

15/16

Discuss
Answer: (d).15/16
Q29.
The weakest section of a diamond riveting, is the section which passes through

a.

first row

b.

second row

c.

central raw

d.

one rivet hole of end row.

Discuss
Answer: (a).first row
Q30.
In a loaded beam, the point of con-traflexture occurs at a section where

a.

bending moment is minimum

b.

bending moment is zero or changes sign

c.

bending moment is maximum

d.

shearing force is maximum

Discuss
Answer: (b).bending moment is zero or changes sign
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