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 15 of 18

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Q141.
The equivalent length is of a column of length L having both the ends fixed, is

a.

2L

b.

L

c.

L/2

d.

L/√2

Discuss
Answer: (c).L/2
Q142.
A masonry dam (density = 20, 000 N/m³) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be

a.

75 N/m²

b.

750 N/m²

c.

7500 N/m²

d.

75000 N/m²

Discuss
Answer: (c).7500 N/m²
Q143.
The ratio of tangential and normal components of a stress on an inclined plane through θ° to the direction of the force, is :

a.

sin θ

b.

cos θ

c.

tan θ

d.

cos θ

Discuss
Answer: (c).tan θ
Q144.
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
Q145.
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
Q146.
A cantilever of length L is subjected to a bending moment M at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is

a.

ML/EI

b.

ML/2EI

c.

ML²/2EI

d.

ML²/3EI

Discuss
Answer: (d).ML²/3EI
Q147.
The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is

a.

wI/2

b.

wI²/4

c.

wI²/8

d.

wI²/12

Discuss
Answer: (c).wI²/8
Q148.
A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised

a.

steel experiences tensile force

b.

brass experiences compressive force

c.

composite beam gets subjected to a couple

d.

All the above.

Discuss
Answer: (d).All the above.
Q149.
Pick up the correct statement from the following:

a.

The moment of inertia is calculated about the axis about which bending takes place

b.

If tensile stress is less than axial stress, the section experiences compressive stress

c.

If tensile stress is equal to axial stress, the section experiences compressive stress

d.

All the above.

Discuss
Answer: (d).All the above.
Q150.
If a concrete column 200 x 200 mm in cross-section is reinforced with four steel bars of 1200 mm² total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm² and Es is 15 Ec

a.

264 MN

b.

274 MN

c.

284 MN

d.

294 MN

Discuss
Answer: (c).284 MN
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