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 5 of 24

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Q41.
Pick up the correct statement from the following :

a.

A ductile material has large plastic zone

b.

A brittle material has no plastic zone

c.

A rigid material has no plastic zone

d.

All the above.

Discuss
Answer: (d).All the above.
Q42.
The number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is

a.

1

b.

2

c.

3

d.

0

Discuss
Answer: (d).0
Q43.
The maximum bending moment due to a moving load on a simply supported beam, occurs

a.

at the mid span

b.

at the supports

c.

under the load

d.

anywhere on the beam

Discuss
Answer: (c).under the load
Q44.
A three hinged parabolic arch hinged at the crown and springings, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half left hand span. The horizontal thrust at the support will be

a.

10.8 tonnes

b.

1.08 tonnes

c.

1.8 tonnes

d.

0.8 tonnes

Discuss
Answer: (b).1.08 tonnes
Q45.
A cylinder is said to be thin if the ratio of its thickness and diameter, is less than

a.

1/25

b.

1/20

c.

1/15

d.

1/10

Discuss
Answer: (d).1/10
Q46.
The shear force on a simply supported beam is proportional to

a.

displacement of the neutral axis

b.

sum of the forces

c.

sum of the transverse forces

d.

algebraic sum of the transverse forces of the section

Discuss
Answer: (d).algebraic sum of the transverse forces of the section
Q47.
An arch with three hinges, is a structure

a.

statically determinate

b.

statically indeterminate

c.

geometrically unstable

d.

structurally sound but indeterminate

Discuss
Answer: (a).statically determinate
Q48.
Stress in members of statically determinate simple frames, can be determined by

a.

method of joints

b.

method of sections

c.

graphical solution

d.

all the above.

Discuss
Answer: (d).all the above.
Q49.
While testing a cast iron beam (2.5 cm x 2.5 cm) in section and a metre long simply supported at the ends failed when a 100 kg weight is applied at the centre. The maximum stress induced is :

a.

960 kg/cm²

b.

980 kg/cm²

c.

1000 kg/cm²

d.

1200 kg/cm².

Discuss
Answer: (a).960 kg/cm²
Q50.
The tensile force required to cause an elongation of 0.045 mm in a steel rod of 1000 mm length and 12 mm diameter, is (where E = 2 x 10⁶ kg/cm²)

a.

166 kg

b.

102 kg

c.

204 kg

d.

74 kg

Discuss
Answer: (b).102 kg
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