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 9 of 24

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Q81.
A simply supported wooden beam 150 cm long and having a cross section 16 cm x 24 cm carries a concentrated load, at the centre. If the permissible stress ft = 75 kg/cm² and fs = 10 kg/cm² the safe load is

a.

3025 kg

b.

3050 kg

c.

3075 kg

d.

3100 kg.

Discuss
Answer: (c).3075 kg
Q82.
A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be x-times the linear strain in any of the three axes when

a.

x = 1

b.

x = 2

c.

x = 3

d.

x = 4

Discuss
Answer: (c).x = 3
Q83.
When equal and opposite forces applied to a body, tend to elongate it, the stress so produced, is called

a.

shear stress

b.

compressive stress

c.

tensile stress

d.

transverse stress.

Discuss
Answer: (c).tensile stress
Q84.
Stress in a beam due to simple bending, is

a.

directly proportional

b.

inversely proportional

c.

curvilinearly related

d.

none of these.

Discuss
Answer: (a).directly proportional
Q85.
A cantilever carrying a uniformly distributed load W over its full length is propped at its free end such that it is at the level of the fixed end. The bending moment will be zero at its free end also at

a.

mid point of the cantilever

b.

fixed point of the cantilever

c.

1/4th length from free end

d.

3/4th length from free end

Discuss
Answer: (d).3/4th length from free end
Q86.
In rectangular columns (cross-section b x h), the core is a

a.

rectangle of lengths b/2 and h/2

b.

square of length b/2

c.

rhombus of length h/2

d.

rhombus of diagonals b/3 and h/3

Discuss
Answer: (d).rhombus of diagonals b/3 and h/3
Q87.
A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment M is

a.

WL/2

b.

WL/4

c.

WL/8

d.

WL/12

Discuss
Answer: (c).WL/8
Q88.
A cantilever beam rectangular in cross-section is subjected to an isolated load at its free end. If the width of the beam is doubled, the deflection of the free end will be changed in the ratio of

a.

8

b.

1/8

c.

1/2

d.

2

Discuss
Answer: (c).1/2
Q89.
The phenomenon of slow extension of materials having constant load, i.e. increasing with the time is called

a.

creeping

b.

yielding

c.

breaking

d.

none of these.

Discuss
Answer: (a).creeping
Q90.
n and j are numbers of members and joints in a frame. It contains redundant members if

a.

n = 2j - 3

b.

n = 3j - 2

c.

n < 2j - 3

d.

n > 2j - 3

Discuss
Answer: (d).n > 2j - 3
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