Structural Design MCQ
1. If a material has a linear deformation, then its deformation is ______________ to the loading.
Answer
Correct Answer:
Directly proportional
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2. What is the unbraced length?
Answer
Correct Answer:
The length of a member without any support
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3. What is a lateral load?
Answer
Correct Answer:
Load acting in a lateral direction
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4. What is a lateral load resisting system?
Answer
Correct Answer:
A structural system that is designed to resist lateral loads and provide stability for the structure as a whole.
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5. What is lateral bracing?
Answer
Correct Answer:
Lateral stability.
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6. What is lap joint?
Answer
Correct Answer:
Joint between two overlapping connection elements in parallel planes.
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7. What is the definition of "lacing"?
Answer
Correct Answer:
Together.
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8. What does Kern refer to?
Answer
Correct Answer:
The core of a post or other compression member which limits eccentric stresses being tensile
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9. What is the other name for K-connection?
Answer
Correct Answer:
Portal frame
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10. What is a Joist?
Answer
Correct Answer:
A repetitive light beam.
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11. What is a joint?
Answer
Correct Answer:
Area where two or more ends, surfaces, or edges are attached.
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12. What is the limit state of a beam-column bent about its major axis?
Answer
Correct Answer:
In-plane instability
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13. What is the definition for Inertia?
Answer
Correct Answer:
Tendency of objects at rest to remain at rest and objects in motion to remain in motion.
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14. What does Inelastic (plastic) strain imply?
Answer
Correct Answer:
Permanent deformation
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15. What is an indeterminate structure?
Answer
Correct Answer:
A structure with more unknown reactions than static equations
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16. What is horizontal shear?
Answer
Correct Answer:
Force at the interface between steel and concrete surfaces in a composite beam.
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17. What is a horizontal diaphragm?
Answer
Correct Answer:
A floor or roof deck to resist lateral load.
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18. What is a gusset plate?
Answer
Correct Answer:
Plate element connecting truss members of a strut or brace to a beam or column.
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19. What is a groove weld?
Answer
Correct Answer:
Weld in a groove between connection elements
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20. What is the unit of gravity?
Answer
Correct Answer:
Attractive force
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21. What is the shape of a chain or string suspended from two points under any load called?
Answer
Correct Answer:
Funicular
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22. What is a fully restrained moment connection?
Answer
Correct Answer:
Connection capable of transferring moment with negligible rotation between connected members.
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23. What are the two types of foundations?
Answer
Correct Answer:
Shallow and Deep
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24. Which of the following is not a result of force?
Answer
Correct Answer:
Change in shape
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25. What is Flexural-torsional buckling?
Answer
Correct Answer:
Buckling mode in which a compression member bends and twists simultaneously without change in cross-sectional shape.
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26. What does Flexure mean?
Answer
Correct Answer:
Bending deformation
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27. What is a Fixed connection?
Answer
Correct Answer:
A connection that resists axial and shear forces and bending moments.
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28. What is a fitted bearing stiffener used for?
Answer
Correct Answer:
To transmit load through bearing
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29. What is the definition of a fillet weld?
Answer
Correct Answer:
Weld of generally triangular cross section made between intersecting surfaces of elements
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30. What is the limit state of crack initiation and growth resulting from repeated application of live loads called?
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31. What is the product of a load factor and the nominal load called?
Answer
Correct Answer:
Factored load
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32. What is an external force?
Answer
Correct Answer:
A force acting on an object
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33. What does it mean if an object is in equilibrium?
Answer
Correct Answer:
The resultant of all forces acting on it has zero magnitude.
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34. What is the point on the Earth's surface above the hypocenter where an earthquake originates called?
Answer
Correct Answer:
Epicenter
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35. What is energy defined as?
Answer
Correct Answer:
The work to move a body a distance; energy is the product of forces times distance.
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36. What is the elastic modulus?
Answer
Correct Answer:
The linear slope value relating material stress to strain.
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37. Beyond which point is deformation of a material plastic?
Answer
Correct Answer:
Elastic limit
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38. What is the definition of "elastic/plastic"?
Answer
Correct Answer:
Materials that have both an elastic zone and a plastic zone (i.e. steel
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39. What does it mean if a material is elastic?
Answer
Correct Answer:
It returns to its original geometry upon unloading.
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40. What is the effective section modulus?
Answer
Correct Answer:
Section modulus reduced to account for buckling of slender compression elements
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41. What is the effective net area?
Answer
Correct Answer:
Net area modified to account for the effect of shear lag.
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42. What is the definition of effective length?
Answer
Correct Answer:
Length of an otherwise identical column with the same strength when analyzed with pinned end conditions.
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43. What is the effective length factor, K?
Answer
Correct Answer:
Ratio between the effective length and the unbraced length of the member.
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44. What is the difference between a Static and Dynamic Load?
Answer
Correct Answer:
Dynamic load changes with time, while static load does not.
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45. What is dynamic equilibrium?
Answer
Correct Answer:
Equilibrium of a moving object without change of motion.
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46. Ductibility is which of the following?
Answer
Correct Answer:
The capacity of a material to deform without breaking
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47. What is the definition of drift?
Answer
Correct Answer:
Lateral deflection of structure due to lateral wind or seismic load.
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48. What is the definition of "double-concentrated forces"?
Answer
Correct Answer:
Two equal and opposite forces that form a couple on the same side of the loaded member.
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49. Deformed shape of a beam with one or more inflection points within the span is known as?
Answer
Correct Answer:
Double curvature
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50. What is a distributed load?
Answer
Correct Answer:
An external force which acts over a length or an area.
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51. What does "displacement" refer to?
Answer
Correct Answer:
A translation, a rotation, or a combination of both.
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52. What does a diaphragm do?
Answer
Correct Answer:
Transfers in-plane forces to the lateral force resisting system.
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53. What is a diaphragm plate used for?
Answer
Correct Answer:
To transfer forces to the supporting elements
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54. What is the primary force that diagonal bracing carries?
Answer
Correct Answer:
Axial force
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55. What is another name for a determinate structure?
Answer
Correct Answer:
A structure with the number of reactions equal to the number of static equations.
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56. What does design stress tell us?
Answer
Correct Answer:
Design strength divided by the appropriate section property
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57. What is the design stress range?
Answer
Correct Answer:
Magnitude of change in stress due to the repeated application and removal of service live loads.
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58. What is design strength?
Answer
Correct Answer:
Resistance factor multiplied by the nominal strength, øRn.
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59. What does the acronym ASD refer to in the context of design load?
Answer
Correct Answer:
American Society of Civil Engineers
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60. What is a Deformation?
Answer
Correct Answer:
A change of the shape of an object or material.
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61. Deflection is defined as the vertical moment under which load?
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62. What is the weight of a structure called?
Answer
Correct Answer:
Dead Load
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63. What is the radius of curvature?
Answer
Correct Answer:
The inverse of the curvature, 1/R
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64. What is creep?
Answer
Correct Answer:
Plastic deformation that proceeds with time.
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65. What does a cover plate do?
Answer
Correct Answer:
Increases cross-sectional area, section modulus or moment of inertia
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66. What is the main purpose of a cover plate?
Answer
Correct Answer:
To increase cross-sectional area, section modulus or moment of inertia.
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67. What is a couple in physics?
Answer
Correct Answer:
A system of two equal forces of opposite direction offset by a distance.
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68. What is the purpose of a cope in construction?
Answer
Correct Answer:
To remove a flange and conform to the shape of an intersecting member
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69. What joins members to transfer forces or moments from one to the other?
Answer
Correct Answer:
Connection
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70. What is the limit state of compressive failure in concrete?
Answer
Correct Answer:
The concrete has reached the ultimate strain
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71. What is concrete composed of?
Answer
Correct Answer:
Cement, crushed rock or gravel, sand and water.
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72. What is a concentrated load?
Answer
Correct Answer:
An external concentrated force
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73. What is the definition of compression?
Answer
Correct Answer:
A force that tends to shorten or crush a member or material.
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74. What does the term "composite materials" refer to?
Answer
Correct Answer:
Materials consisting of a combination of two of more distinct materials
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75. What is a composite?
Answer
Correct Answer:
Condition in which steel and concrete elements and members work as a unit in the distribution of internal forces.
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76. What is a vector?
Answer
Correct Answer:
A mathematical object consisting of a magnitude and a direction
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77. What is the primary function of a column?
Answer
Correct Answer:
Resisting axial force.
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78. What is a collector?
Answer
Correct Answer:
An element that transfers load from a diaphragm to a resisting element
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79. What is a chord member?
Answer
Correct Answer:
Primary member that extends, usually horizontally, through a truss connection.
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80. What is the centroid?
Answer
Correct Answer:
The center of mass of a shape or object.
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81. What is the definition of center of gravity?
Answer
Correct Answer:
The location of resultant gravity forces on an object or objects.
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82. What is cement?
Answer
Correct Answer:
Cementitious (binder) materials used in concrete
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83. What is the name for structural elements or systems that are supported only at one end?
Answer
Correct Answer:
Cantileverts
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84. What is the definition of "Camber?"
Answer
Correct Answer:
Curvature fabricated into a beam or truss so as to compensate for deflection induced by loads.
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85. What is a built-up member?
Answer
Correct Answer:
A member fabricated from elements that are nailed, welded, glued or bolted together
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86. What is the nominal strength for buckling or instability limit states?
Answer
Correct Answer:
Buckling strength
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87. What is buckling?
Answer
Correct Answer:
Sudden change in the geometry of a structure or any of its elements under a critical loading condition
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88. What does a braced frame do?
Answer
Correct Answer:
It provides resistance to lateral forces and provides stability for the structural system.
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89. What is the purpose of bracing in a structure?
Answer
Correct Answer:
To stiffen the structure by utilizing the inherent in-plane stiffness of a triangular framework.
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90. What is Block shear rupture?
Answer
Correct Answer:
Limit state of tension fracture along one path and shear yielding or shear fracture along another path.
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91. What is a bending moment?
Answer
Correct Answer:
A force rotating about a point; causes bending in beams, etc
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92. What is bearing?
Answer
Correct Answer:
Limit state of local compressive yielding due to the action of a member bearing against another member or surface.
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93. What is a beam-column?
Answer
Correct Answer:
A structural member that resists both axial force and bending moment.
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94. What is the primary function of a beam?
Answer
Correct Answer:
Resisting bending moments
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95. What does base shear refer to?
Answer
Correct Answer:
A lateral (wind or seismic) force acting at the base of a structure.
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96. What is meant by axial force?
Answer
Correct Answer:
A force that is acting along the longitudinal axis of a structural member.
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97. What does ASTM stand for?
Answer
Correct Answer:
The American Society of Testing and Materials
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98. What does ASD mean in relation to load combination?
Answer
Correct Answer:
Allowable strength design
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99. What is ASD?
Answer
Correct Answer:
Allowable Strength Design
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100. What is the applicable building code?
Answer
Correct Answer:
Building code under which the structure is designed.
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101. What is the allowable stress?
Answer
Correct Answer:
Allowable strength divided by the appropriate section property
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102. What is the definition of allowable strength?
Answer
Correct Answer:
Nominal strength divided by the safety factor.
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Architectural Engineering MCQs | Topic-wise