Structural Analysis Mcqs

This set of Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on “ Structural Analysis ”. 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 Structural Analysis comprehensively.

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1. The three moments equation is applicable only when___________________?

The beam is prismatic

There is no settlement of supports

There is no discontinuity such as hinges within the span

The spans are equal

2. The Castigliano’s second theorem can be used to compute deflections________________?

In statically determinate structures only

For any type of structure

At the point under the load only

For beams and frames only

3. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust______________?

Is increased

Is decreased

Remains unchanged

Becomes zero

8 kN.m

15 kN.m

30 kN.m

60 kN.m

5. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies_______________?

Less than the left half span

Whole of left half span

More than the left half span

Whole span

6. When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when________________?

The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration

The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration

The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system

None of the above

7. Which of the following is not the displacement method ?

Equilibrium method

Column analogy method

Moment distribution method

Kani’s method

8. If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is_______________?

Unstable

Stable and statically determinate

Stable and statically indeterminate

None of the above

9. Effects of shear force and axial force on plastic moment capacity of a structure are respectively to_________________?

Increase and decrease

Increase and increase

Decrease and increase

Decrease and decrease

10. Which of the following methods of structural analysis is a displacement method ?

Moment distribution method

Column analogy method

Three moment equation

None of the above

Roller support

Hinged support

Fixed support

Free end

5 mm

0.5 mm

0.05 mm

0.005mm

13. For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is__________________?

0.211 L

0.25 L

0.234 L

0.5 L

Consider the following statements

1. reduces the negative moment at support
2. increases the negative moment at support
3. reduces the positive moment at support
4. increases the positive moment at the centre of span

14. Sinking of an intermediate support of a continuous beam________________? Consider the following statements 1. reduces the negative moment at support 2. increases the negative moment at support 3. reduces the positive moment at support 4. increases the positive moment at the centre of span

i and 4 are correct

1 and 3 are correct

2 and 3 are correct

2 and 4 are correct

15. When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would_______________?

Change from compression to tension

Change from tension to compression

Always be compression

Always be tension

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