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!

So, are you ready to put your Theory of Structures knowledge to the test? Let's get started with our carefully curated MCQs!

Theory of Structures MCQs | Page 12 of 18

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Q111.
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
Q112.
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
Q113.
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
Q114.
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
Q115.
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
Q116.
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
Q117.
A simply supported beam A carries a point load at its midspan. An other identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be

a.

2/3

b.

3/2

c.

5/8

d.

8/5

Discuss
Answer: (d).8/5
Q118.
The strain energy due to volumetric strain

a.

is directly proportional to the volume

b.

is directly proportional to the square of exerted pressure

c.

is inversely proportional to Bulk modulus

d.

all the above.

Discuss
Answer: (d).all the above.
Q119.
There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of

a.

1 : 1 1/2 : 2

b.

2 : 1 1/2 : 1

c.

1 : 1 : 2

d.

none of these.

Discuss
Answer: (c).1 : 1 : 2
Q120.
A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm²), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is

a.

25 N

b.

30 N

c.

35 N

d.

40 N

Discuss
Answer: (c).35 N
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