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!

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Theory of Structures MCQs | Page 15 of 18

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Q141.
An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is

a.

Wa/h

b.

Wa/2h

c.

2W/ha

d.

2h/Wa

Discuss
Answer: (b).Wa/2h
Q142.
The ratio of lateral strain to axial strain of a homogeneous material, is known

a.

Yield ratio

b.

Hooke's ratio

c.

Poisson's ratio

d.

Plastic ratio.

Discuss
Answer: (c).Poisson's ratio
Q143.
For beams of uniform strength, if depth is constant,

a.

width b โˆ M

b.

width b โˆ โˆšM

c.

width b โˆ 3 โˆšM

d.

width b โˆ 1/M

Discuss
Answer: (a).width b โˆ M
Q144.
The normal and tangential components of stress on an inclined plane through ฮธ° to the direction of the force, will be equal if ฮธ is

a.

45°

b.

30°

c.

60°

d.

90°

Discuss
Answer: (a).45°
Q145.
The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is

a.

2.75 cm

b.

3.00 cm

c.

3.50 cm

d.

4.25 cm

Discuss
Answer: (d).4.25 cm
Q146.
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.
Q147.
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
Q148.
A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm², the bending strain energy stored in the bar, is

a.

411 N mm

b.

511 N mm

c.

611 Nmm

d.

711 N mm

Discuss
Answer: (c).611 Nmm
Q149.
A close coil helical spring when subjected to a moment M having its axis along the axis of the helix

a.

it is subjected to pure bending

b.

its mean diameter will decrease

c.

its number of coils will increase

d.

all the above.

Discuss
Answer: (a).it is subjected to pure bending
Q150.
For beams breadth is constant,

a.

depth d โˆ M

b.

depth d โˆ โˆšM

c.

depth d โˆ 3 โˆšM

d.

depth d โˆ 1/M

Discuss
Answer: (b).depth d โˆ โˆšM
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