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 18 of 18

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Q171.
The normal and tangential components of stress on an inclined plane through θ° to the direction of the force, will be equal if θ is

a.

45°

b.

30°

c.

60°

d.

90°

Discuss
Answer: (a).45°
Q172.
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
Q173.
The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is

a.

circle

b.

parabola

c.

ellipse

d.

straight line.

Discuss
Answer: (c).ellipse
Q174.
m1 and m2 are the members of two individual simple trusses of a compound truss. The compound truss will be rigid and determinate if

a.

m = m1 + m2

b.

m = m1 + m2 + 1

c.

m = m1 + m2 + 2

d.

m = m1 + m2 + 3

Discuss
Answer: (d).m = m1 + m2 + 3
Q175.
In case of a simply supported I-section 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/5

d.

L/5

Discuss
Answer: (d).L/5
Q176.
A simply supported beam A carries a point load at its midspan. An other identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be

a.

2/3

b.

3/2

c.

5/8

d.

8/5

Discuss
Answer: (d).8/5
Q177.
The strain energy due to volumetric strain

a.

is directly proportional to the volume

b.

is directly proportional to the square of exerted pressure

c.

is inversely proportional to Bulk modulus

d.

all the above.

Discuss
Answer: (d).all the above.
Q178.
Maximum shear stress theory for the failure of a material at the elastic limit, is known

a.

Guest's or Trecas' theory

b.

St. Venant's theory

c.

Rankine's theory

d.

Haig's theory

Discuss
Answer: (a).Guest's or Trecas' theory
Q179.
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
Q180.
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
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