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 ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is

a.

1/8

b.

1/4

c.

1/2

d.

1/3

Discuss
Answer: (c).1/2
Q112.
If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 x 10โต N/mm²) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm², the angle of twist in radians, is

a.

0.001

b.

0.002

c.

0.0025

d.

0.003

Discuss
Answer: (c).0.0025
Q113.
The forces in the members of simple trusses, may be analysed by

a.

graphical method

b.

method of joints

c.

method of sections

d.

all the above.

Discuss
Answer: (d).all the above.
Q114.
A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is

a.

0.207

b.

0.307

c.

0.407

d.

0.508

Discuss
Answer: (a).0.207
Q115.
At yield point of a test piece, the material

a.

obeys Hooke's law

b.

behaves in an elastic manner

c.

regains its original shape on removal of the load

d.

undergoes plastic deformation.

Discuss
Answer: (d).undergoes plastic deformation.
Q116.
A steel bar 5 m x 50 mm is loaded with 250, 000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson's ratio is 0.25, the change in the volume of the bar is :

a.

1.125 cm³

b.

2.125 cm³

c.

3.125 cm³

d.

4.125 cm²

Discuss
Answer: (c).3.125 cm³
Q117.
A cantilever of length 2 cm and depth 10 cm tapers in plan from a width 24 cm to zero at its free end. If the modulus of elasticity of the material is 0.2 x 10โถ N/mm², the deflection of the free end, is

a.

2 mm

b.

3 mm

c.

4 mm

d.

5 mm

Discuss
Answer: (d).5 mm
Q118.
The ratio of tangential and normal components of a stress on an inclined plane through ฮธ° to the direction of the force, is :

a.

sin ฮธ

b.

cos ฮธ

c.

tan ฮธ

d.

cos ฮธ

Discuss
Answer: (c).tan ฮธ
Q119.
The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (d).4
Q120.
Maximum strain theory for the failure of a material at the elastic limit, is known as

a.

Guest's or Trecas' theory

b.

St. Venant's theory

c.

Rankine's theory

d.

Haig's theory

Discuss
Answer: (b).St. Venant's theory
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