# Theory of Structures Mcqs

This set of Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on “ Theory of Structures ”. These Mcqs are chosen from a collection of most authoritative and best reference books on Civil Engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Theory of Structures comprehensively.

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## 1. The force in BC of the truss shown in the given figure, is___________________?

3.0 t compression

3.0 t tension

T tension

T compression

Zero

1

2

3

2/3

3/2

5/8

8/5

L/2

L/3

L/4

L/5

(IX + IY)/2

(IX – IY)/2

IX + IY

(I /I )

## 6. If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good_______________?

E = 3K (1 – 2/m)

E = 2N (1 + 1/m)

(3/2)K (1 – 2/m) = N (1 + 1/m)

All the above

## 7. Gradually applied static loads do not change with time their_______________?

Magnitude

Direction

Point of application

All the above

## 8. A body is said to be in equilibrium if___________________?

It moves horizontally

It moves vertically

None of these

## 9. The forces acting normally on the cross section of a bar shown in the given figure introduce_____________?

Compressive stress

Tensile stress

Shear stress

None of these

Stiffness

Proof resilience

Proof stress

4WD²n/d4N

4W²Dn/d4N

4W²D3n/d4N

4W²D3n²/d4N

Bh²/12

B²h/12

Bh3/12

B3h/12

## 13. The assumption in the theory of bending of beams is_________________?

Material is homogeneous

Material is isotropic

Young’s modulus is same in tension as well as in compression

All the above

/6

/2

/3

/4

## 15. A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm2 is________________?

4.0 mm

4.5 mm

5.0 mm

5.5 mm

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