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 13 of 18

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Q121.
A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm² is :

a.

4.0 mm

b.

4.5 mm

c.

5.0 mm

d.

5.5 mm

Discuss
Answer: (c).5.0 mm
Q122.
In plastic analysis, the shape factor for rectangular section, is

a.

1.4

b.

1.5

c.

1.6

d.

1.7

Discuss
Answer: (b).1.5
Q123.
In case of a simply supported rectangular 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/4

d.

L/5

Discuss
Answer: (b).L/3
Q124.
A truss containing j joints and m members, will be a simple truss if

a.

m = 2j - 3

b.

j = 2m - 3

c.

m = 3j - 2

d.

j = 3m - 2

Discuss
Answer: (a).m = 2j - 3
Q125.
The assumption in the theory of bending of beams, is :

a.

material is homogeneous

b.

material is isotropic

c.

Young's modulus is same in tension as well as in compression

d.

all the above.

Discuss
Answer: (d).all the above.
Q126.
The shape factor of standard rolled beam section varies from

a.

1.10 to 1.20

b.

1.20 to 1.30

c.

1.30 to 1.40

d.

1.40 to 1.50

Discuss
Answer: (a).1.10 to 1.20
Q127.
Shear strain energy theory for the failure of a material at elastic limit, is due to

a.

Rankine

b.

Guest or Trecas

c.

St. Venant

d.

Von Mises.

Discuss
Answer: (d).Von Mises.
Q128.
The point of contraflexure is the point where

a.

B.M. changes sign

b.

B.M. is maximum

c.

B.M. is minimum

d.

S.F. is zero.

Discuss
Answer: (a).B.M. changes sign
Q129.
The normal component of a force inclined through ฮธ° is obtained by multiplying the force by

a.

sin ฮธ

b.

cos ฮธ

c.

tan ฮธ

d.

sin ฮธ cos ฮธ

Discuss
Answer: (d).sin ฮธ cos ฮธ
Q130.
If ฮฃH and ฮฃV are the algebraic sums of the forces resolved horizontally and vertically respectively, and ฮฃM is the algebraic sum of the moments of forces about any point, for the equilibrium of the body acted upon

a.

ฮฃH = 0

b.

ฮฃV = 0

c.

ฮฃM = 0

d.

all the above.

Discuss
Answer: (d).all the above.
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