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 16 of 24

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Q151.
The moment diagram for a cantilever carrying a concentrated load at its free end, will be

a.

triangle

b.

rectangle

c.

parabola

d.

cubic parabola.

Discuss
Answer: (a).triangle
Q152.
In a shaft rotated by a couple, the shear force varies

a.

from zero at the centre to a maximum at the circumference

b.

from minimum at the centre of maximum at the circumference

c.

from maximum at the centre to zero at the circumference

d.

equally throughout the section

Discuss
Answer: (a).from zero at the centre to a maximum at the circumference
Q153.
The section modulus of a rectangular light beam 25 metres long is 12.500 cm³. The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is

a.

13.33 kg/cm² tensile

b.

13.33 kg/cm² compressive

c.

26.67 kg/cm² tensile

d.

26.67 kg/cm² compressive

Discuss
Answer: (c).26.67 kg/cm² tensile
Q154.
The ratio of the maximum deflection of a cantilever beam with an isolated load at its free end and with a uniformly distributed load over its entire length, is

a.

1

b.

24/15

c.

3/8

d.

8/3

Discuss
Answer: (d).8/3
Q155.
For a beam of uniform strength keeping its depth constant, the width will vary in proportion to

a.

bending moment (M)

b.

√M

c.

M²

d.

none of these.

Discuss
Answer: (a).bending moment (M)
Q156.
A shaft 9 m long is subjected to a torque 30 t-m at a point 3 m distant from either end. The reactive torque at the nearer end will be

a.

5 tonnes metre

b.

10 tonnes metre

c.

15 tonnes metre

d.

20 tonnes metre

Discuss
Answer: (d).20 tonnes metre
Q157.
The width b and depth d of a beam cut from a wooden cylindrical log of 100 cm diameter for maximum strength are :

a.

b = 57.73 cm d = 81.65 cm

b.

b = 81.65 cm d = 57.73 cm

c.

b = 50.00 cm d = 50.00 cm

d.

b = 40.00 cm d = 80.00 cm

Discuss
Answer: (a).b = 57.73 cm d = 81.65 cm
Q158.
If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar, becomes

a.

zero

b.

infinite

c.

maximum

d.

minimum.

Discuss
Answer: (b).infinite
Q159.
For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter

a.

d/2

b.

d/3

c.

d/4

d.

d/8

Discuss
Answer: (c).d/4
Q160.
A member is balanced at its end by two inclined members carrying equal forces. For equilibrium the angle between the inclined bars must be

a.

3°

b.

45°

c.

60°

d.

120°

Discuss
Answer: (d).120°
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