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.
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.
Q122.
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
Q123.
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 10⁶ 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
Q124.
Pick up the correct statement from the following:

a.

The bending stress in a section is zero at its neutral axis and maximum at the outer fibres

b.

The shear stress is zero at the outer fibres and maximum at the neutral axis

c.

The bending stress at the outer fibres, is known as principal stress

d.

All the above.

Discuss
Answer: (d).All the above.
Q125.
A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 x 10⁶ N/mm², the depth of the joist, is

a.

200 mm

b.

250 mm

c.

300 mm

d.

400 mm

Discuss
Answer: (d).400 mm
Q126.
The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called

a.

stiffness

b.

proof resilience

c.

proof stress

d.

proof load.

Discuss
Answer: (b).proof resilience
Q127.
If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span,

a.

horizontal thrust is wl²/8h

b.

S.F. will be zero throughout

c.

B.M. will be zero throughout

d.

all the above.

Discuss
Answer: (d).all the above.
Q128.
Co-efficient of wind resistance of a circular surface, is

a.

1/2

b.

1/3

c.

2/3

d.

3/2

Discuss
Answer: (c).2/3
Q129.
Pick up the correct statement from the following:

a.

For a uniformly distributed load, the shear force varies linearly

b.

For a uniformly distributed load, B.M. curve is a parabola

c.

For a load varying linearly, the shear force curve is a parabola

d.

All the above.

Discuss
Answer: (d).All the above.
Q130.
The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is

a.

1.0

b.

1.5

c.

2.0

d.

3.0

Discuss
Answer: (d).3.0
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