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(STRUCTURAL THEORY 1 – LECTURE AND COMPUTATION)
TOPIC: INTRODUCTION TO STRUCTURAL THEORY
INSTRUCTIONS: Select the correct answer for the following questions. Mark only one answer for each
item by encircling the letter of your choice. STRICTLY NO ERASURES ALLOWED.
1. Arch structures resist stresses mainly by developing 11. How many reactions are found on a roller support?
A. Bending moments A. One horizontal reaction
B. Axial compression B. One vertical reaction
C. Normal shear C. Two reactions
D. Non-linear deflection D. Three reactions
2. For a cantilever, maximum bending moment will occur at 12. Members subjected to axial tensile force are usually
the? referred to as?
A. Fixed end A. Beams
B. Free end B. Ties
C. Mid-span C. Struts
D. Depends on the loading D. Columns
3. The maximum moment of resistance of a fully yielded 13. The ability of a structure to recover equilibrium is known
cross-section is called? as
A. Ultimate moment A. Limit state
B. Hogging moment B. Stability
C. Design moment C. Flexural rigidity
D. Fully plastic moment D. Buckling
4. Which method is not used in evaluation of deflection of 14. The deflected shape of a structure is usually called?
structures?
A. The elastic curve
A. Double integration method B. The yield line
B. Virtual work method C. The neutral axis
C. Castigliano’s theorem D. Creep
D. Moment distribution method
15. Which of the following is used for analysis of moving
5. Bending moment in a structure will likely be maximum loads in a structure?
_______? A. Hardy Cross moment distribution
A. At the mid-span B. Clapeyron’s theorem of three moments
B. At the fixed end C. Bernoulli method
C. Where shear force changes sign D. Influence lines
D. Where deflection is maximum 16. The support of arch structures is usually referred to as?
6. Differentiating the equation for bending moment will yield? A. Abutments
B. Springing
A. The equation for slope
B. The equation for deflection C. Pinned support
D. Elastic foundation
C. The equation for shear
D. The externally applied load 17. The essence of structural analysis from the view point of
stiffness is to determine?
7. Integrating the equation for bending will give?
A. The equation for slope A. The stability
B. The strength
B. The equation for deflection
C. The natural frequency
C. The equation for shear
D. The displacements
D. The equation for axial force
18. The analysis of additional moment induced in a structure
8. The bending moment in a cable structure will be
maximum at the support. due to axial compressive load and lateral displacements
is known as?
A. True
A. Buckling analysis
B. False
B. Non-linear analysis
C. Maybe
D. None C. P-Delta analysis
D. Linear elastic analysis
9. Trusses resist load by primarily developing?
19. The rotational tendency of a force is known as?
A. Axial forces
A. Torque
B. Shear forces
B. Energy
C. Bending moment
C. Moment
D. Shear forces
D. Shear
10. In a structural member, the maximum deflection will
20. Which of the following is the importance of knowlegde of
occur at?
deflection of structures?
A. The point of zero slope
B. The point of maximum moment A. For comparison of theoretical and actual deflection
B. For analysis of statically indeterminate structures
C. Where shear force is maximum
C. For dynamic analysis
D. Where axial forces are tensile
D. All of the above
, 21. In cable structures, vertical loads give rise to horizontal 31. Identify the type of supports shown below.
reactions
A. Roller Support
A. True
B. Slider Support
B. False
C. Fixed Support
C. Maybe
D. Pin support
D. None
32. Identify the type of supports shown below.
22. The strain energy stored by a body within elastic limit
when loaded externally is called? A. Roller Support
B. Slider Support
A. Shear modulus
C. Fixed Support
B. Resilience
D. Pin support
C. Potential energy
D. Yield strength 33. Identify the type of supports shown below.
23. Axial forces in a column are transferred to the beams
A. Roller Support
they are supporting as?
B. Slider Support
A. Axial forces C. Fixed Support
B. Shear forces D. Pin support
C. Bending moment
34-39) Situational Problem 2: Types of Beams
D. Deflection
24. The ratio of unsupported length of a column to the
minimum radius of gyration is called?
A. Slenderness ratio
B. Buckling factor
C. Stability
D. None of the above
25. A material having identical properties in all directions is
called?
A. Elastic
B. Homogeneous
C. Isotropic
D. All of the above Type of Beams
26. If load passes through the shear centre of a beam, then
34. A ________ is fixed at one end and free at the other end.
there will be
A. Simply supported beam
A. No bending in the beam B. Overhanging beam
B. Only bending in the beam C. Cantilever Beam
C. Bending with twisting
D. Continuous beam
D. Only twisting in the beam
35. A ________ is a type of beam that has pinned support at
27. Structures for which all reactions and internal forces one end and roller support at the other end. Depending
cannot be determined solely using equilibrium equations on the load applied, it undergoes shearing and bending.
are called?
It is the one of the simplest structural elements in existence.
A. Rigid structures A. Simply supported beam
B. Statically determinate structures
B. Overhanging beam
C. Statically indeterminate structures
C. Cantilever Beam
D. Kinematic structures
D. Continuous beam
28. The assumption that factors such as reaction, 36. A ________ is a beam that has one or both end portions
displacements, etc., caused by different loads which act
extending beyond its supports. It may have any number
simultaneously, are equal to the algebraic sum of this of supports. If viewed in a different perspective, it appears
factor due to each load separately is called? as if it has the features of simply supported beam d and
A. Law of addition of vectors cantilever beam.
B. Principle of superposition
A. Simply supported beam
C. Law of static equilibrium B. Overhanging beam
D. Principle of moment C. Cantilever Beam
29. For a truss to be statically determinate and stable, which D. Continuous beam
of the equation below holds good? (Where: m = number
37. A ________ has more than two supports distributed
of members, r = number of support reactions, j = number throughout its length.
of joints)
A. Fixed ended beam
A. m+r=2j B. Cantilever, simply supported beam (Prop Cantilever
B. m+r>2j Beam)
C. m+r<2j C. Cantilever Beam
D. m+r+j=0
D. Continuous beam
30-33) Situational Problem 1: Type of Supports 38. As the name suggests, _______ is a type of beam whose
30. Identify the type of supports shown below. both ends are fixed.
A. Fixed ended beam
A. Roller Support B. Cantilever, simply supported beam (Prop Cantilever
B. Slider Support Beam)
C. Fixed Support C. Cantilever Beam
D. Pin support D. Continuous beam
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