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.
When loads are applied proportionately to a frame structure containing its members in one plane, the structure is called

a.

grid frame

b.

plane frame

c.

space frame

d.

truss frame.

Discuss
Answer: (c).space frame
Q82.
The shear stress at any section of a shaft is maximum

a.

at the centre of the section

b.

at a distance r/2 from the centre

c.

at the top of the surface

d.

at a distance 3/4 r from the centre

Discuss
Answer: (c).at the top of the surface
Q83.
The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is

a.

one-half of the radius

b.

one-third of the radius

c.

one-quarter of the radius

d.

one-fifth of the radius

Discuss
Answer: (c).one-quarter of the radius
Q84.
A beam is said to be of uniform strength, if

a.

B.M. is same throughout the beam

b.

deflection is same throughout the beam

c.

bending stress is same throughout the beam

d.

shear stress is same throughout the beam

Discuss
Answer: (c).bending stress is same throughout the beam
Q85.
In a tension test, the yield stress is 300 kg/cm², in the octa hedral shear stress at the point is:

a.

100 √2 kg/cm²

b.

150 √2 kg/cm²

c.

200 √2 kg/cm

d.

250 √2 kg/cm².

Discuss
Answer: (a).100 √2 kg/cm²
Q86.
The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and

a.

moment of inertia

b.

polar moment of inertia

c.

polar modulus

d.

modulus of rigidly.

Discuss
Answer: (c).polar modulus
Q87.
For a simply supported beam with a central load, the bending moment is

a.

least at the centre

b.

least at the supports

c.

maximum at the supports

d.

maximum at the centre.

Discuss
Answer: (d).maximum at the centre.
Q88.
For a given material Young's modulus is 200 GN/m² and modulus of rigidity is 80 GN/m². The value of Poisson's ratio is

a.

0.15

b.

0.20

c.

0.25

d.

0.30

Discuss
Answer: (c).0.25
Q89.
The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is

a.

less than one

b.

equal to one

c.

more than one

d.

equal to 3π/16

Discuss
Answer: (d).equal to 3π/16
Q90.
The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is

a.

1/2

b.

1/3

c.

1/4

d.

1/5

Discuss
Answer: (b).1/3
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