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 8 of 24

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Q71.
The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is

a.

200

b.

240

c.

360

d.

416

Discuss
Answer: (d).416
Q72.
A rectangular beam 20 cm wide is subjected to a maximum shearing force of 10, 000 kg, the corresponding maximum shearing stress being 30 kg/cm². The depth of the beam is

a.

15 cm

b.

20 cm

c.

25 cm

d.

30 cm.

Discuss
Answer: (c).25 cm
Q73.
If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by

a.

1/2

b.

1/8

c.

2

d.

8

Discuss
Answer: (a).1/2
Q74.
For a simply supported beam of length L, the bending moment M is described as M = a (x - x³/L²), 0 ≤ x < L; where a is a constant. The shear force will be zero at

a.

the supports

b.

x = L/2

c.

x = L/√3

d.

x = L/3

Discuss
Answer: (c).x = L/√3
Q75.
The deflection of any rectangular beam simply supported, is

a.

directly proportional to its weight

b.

inversely proportional to its width

c.

inversely proportional to the cube of its depth

d.

directly proportional to the cube of its length

Discuss
Answer: (c).inversely proportional to the cube of its depth
Q76.
If a rectangular beam measuring 10 x 18 x 400 cm carries a unformly distributed load such that the bending stress developed is 100 kg/cm². The intensity of the load per metre length, is

a.

240 kg

b.

250 kg

c.

260 kg

d.

270 kg

Discuss
Answer: (b).250 kg
Q77.
A uniform girder simply supported at its ends is subjected to a uniformly distributed load over its entire length and is propped at the centre so as to neutralise the deflection. The net B.M. at the centre will be

a.

WL

b.

WL/8

c.

WL/24

d.

WL/32

Discuss
Answer: (d).WL/32
Q78.
A beam of length L is pinned at both ends and is subjected to a concentrated bending couple of moment M at its centre. The maximum bending moment in the beam is

a.

M

b.

M/2

c.

M/3

d.

ML/2

Discuss
Answer: (a).M
Q79.
If two forces acting at a joint are not along the straight line, then for the equilibrium of the joint

a.

one of the forces must be zero

b.

each force must be zero

c.

forces must be equal and of the same sign

d.

forces must be equal in magnitude but opposite in sign.

Discuss
Answer: (b).each force must be zero
Q80.
If the shear force along a section of a beam is zero, the bending moment at the section is

a.

zero

b.

maximum

c.

minimum

d.

average of maximum-minimum

Discuss
Answer: (b).maximum
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