Theory of Structures MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Theory of Structures, 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 Theory of Structures 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 Theory of Structures mcq questions that explore various aspects of Theory of Structures problems. Each MCQ is crafted to challenge your understanding of Theory of Structures 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 Theory of Structures 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 Theory of Structures. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Theory of Structures MCQs | Page 6 of 18

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Q51.
The radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is

a.

D/2

b.

D/√3

c.

D/2√3

d.

D/4√3

Discuss
Answer: (c).D/2√3
Q52.
The equivalent length of a column of length L, having one end fixed and other end hinged, is

a.

2L

b.

L

c.

L/2

d.

L/√2

Discuss
Answer: (d).L/√2
Q53.
At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by

a.

depth of the section

b.

depth of the neutral axis

c.

maximum tensile stress at the section

d.

maximum compressive stress at the section

Discuss
Answer: (b).depth of the neutral axis
Q54.
The maximum height of a masonry dam of a triangular section whose base width is b and specific gravity s, is

a.

b√s

b.

b.s

c.

√bs

d.

s √b

Discuss
Answer: (a).b√s
Q55.
The load on a spring per unit deflection, is called

a.

stiffness

b.

proof resilience

c.

proof stress

d.

proof load.

Discuss
Answer: (a).stiffness
Q56.
In a shaft, the shear stress is not directly proportional to

a.

radius of the shaft

b.

angle of twist

c.

length of the shaft

d.

modulus of rigidity.

Discuss
Answer: (c).length of the shaft
Q57.
A compound truss may be formed by connecting two simple rigid frames, by

a.

two bars

b.

three bars

c.

three parallel bars

d.

three bars intersecting at a point.

Discuss
Answer: (b).three bars
Q58.
The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is

a.

circle

b.

parabola

c.

ellipse

d.

straight line.

Discuss
Answer: (c).ellipse
Q59.
m1 and m2 are the members of two individual simple trusses of a compound truss. The compound truss will be rigid and determinate if

a.

m = m1 + m2

b.

m = m1 + m2 + 1

c.

m = m1 + m2 + 2

d.

m = m1 + m2 + 3

Discuss
Answer: (d).m = m1 + m2 + 3
Q60.
In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is

a.

L/2

b.

L/3

c.

L/5

d.

L/5

Discuss
Answer: (d).L/5
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