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Test your basic knowledge |
Bridge Design
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 47 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The vertical member connecting the upper and lower chords at the like- numbered nodes.
Shear
H member
Vertical
Dead Load
2. Horizontal timbers or support at top and bottom between which vertical posts and diagonal braces are attached. (counter braces)
Diagonal
Chord
Pier
Tension
3. A steel member within a non - load- path- redundnat structure - the failure of which would cause a partial or total collapse of the structure
Web
Dead Load
Superstructure
Fracture-Critical Member
4. A force that pushes or presses toward the center of an object or from the ends toward the middle of a structural member. Compression shortens the material. It is the opposite of tension.
Torsion
Pile
Live Load
Compression
5. A drain - pipe - or channel that allows water to pass under a road - railroad - or embankment.
Floor Truss
Member
Culvert
Tension Member
6. A structural member connecting the upper and lower chords on the diagonal (as opposed to the vertical).
Substructure
Diagonal
Lower Chord
Torsion
7. Frameworks of beams or girders used for support. A truss can be metal (steel) or of wooden construction.
Gusset Plate
Truss
Cantilever
Vertical
8. A force that stretches or pulls on a material. Tension lengthens a material - any material.
Tension
Bearing
Torsion
Lower Chord
9. A force that causes part of a material to slide past one another in opposite direction
Post
Shear
Stringer
Pier
10. A metal plate used to unite multiple structural members of a truss
Lower Chord
Gusset Plate
Diagonal
Fracture-Critical Member
11. An individual angle - beam - plate - or built- up piece intended to become an integral part of an assembled frame or structure
Member
Bearing
Section Loss
Rivet
12. A welded truss perpendicular to the main trusses - used to support the deck
Post
Floor Truss
Diaphram
Gusset Plate
13. The bridge structure that receives and supports traffic loads and in turn transfers those loads to the substructure.
Superstructure
Fracture-Critical Member
Girder
Compression Member
14. A structural steel member with two flat flanges separated by a horizontal steel plate (web) to form an 'H'
Torsion
Vertical
H member
Compression Member
15. The horizontal space between two supports of a structure
Truss Bridge
Cantilever
Shear
Span
16. A bridge support bearing that accommodates thermal expansion and contraction of the superstructure through a rocking action
Rocker Bearing
Yield Stress
Base
Bearing
17. Bracing that spans between the main beams or girders of a bridge and assists in the distribution on loads
Diaphram
Bearing
Floor Truss
Stiffener
18. A beam aligned with the length of a span that supports the deck
Torsion
Gusset Plate
Diaphram
Stringer
19. A truss member that is subjected to compressive forces.
Shear
Pier
Floor Truss
Compression Member
20. A bridge typically composed of straight structural elements connected to form triangles.
Compression
Tension
Fatigue
Truss Bridge
21. The top horizontal member of a truss. the upper chord extends the length of the deck truss but it is made uyp of shorter chord memebers joined at nodes.
Culvert
Section Loss
Upper Chord
Truss Bridge
22. A bridge bearing comprising of a single roller or a group of rollers housed so as to permit longitun=dinal expansion or contraction
Compression Member
Roller Bearing
Fatigue
Rivet
23. A bridge status assigned by the FHA under the National Bridge Inspection Standards. This type of bridge was built to the standards of the day but are not used today. These bridges are not considered inherently unsafe - but they may have lane widths -
Roller Bearing
Abutment
Member
Functionally Obsolete
24. Act of twisting; twisting of a body by two opposing forces
Chord
Fatigue
Torsion
Rocker Bearing
25. A loss of metal usually resulting from corrosion - that reduces the thickness of a steel bridge component
Pier
Truss Bridge
Section Loss
Vertical
26. A horizontal structural member supporting verticle loads by bending
Girder
Node
Post
Torsion
27. The vertical portion of an 'I' beam or girder
Fatigue
Counter brace
Span
Web
28. A retaining wall that supports the ends of a bridge. It may be built of stone - bedrock - wood - iron - or concrete.
Bearing
Shear
Post
Abutment
29. A structural member that projects beyond a supporting column or wall and is supported only at one end.
Counter brace
Cantilever
Splice Plate
Floor Truss
30. A connecting point where the upper and lower chords were joined
Section Loss
Node
Pile
Vertical
31. In metal - a brittle cracking mechanism caused by repitive loading over time
Torsion
Fatigue
Member
Stiffener
32. A device located between the bridge structure and a supporting pier or abutment
H member
Bearing
Girder
Diaphram
33. A metal fastener
Tension Member
Stringer
Truss
Rivet
34. A basic underlying element- infrastructure. The bottom or lowest part of a structure.
Compression
Roller Bearing
Lower Chord
Base
35. The weight of all columns - beams - floors - roadways - arches - and other components of a bridge. The weight of the bridge itself.
Dead Load
Chord
Section Loss
Post
36. The bridge structure that supports the superstructure and transfers loads from it to the ground or bedrock. the main components are abutments - piers - footings - and pilings.
Span
H member
Substructure
Web
37. A vertical structure that supports the ends of a multispan superstructure at a location between abutments
Compression Member
Fatigue
Pier
Lower Chord
38. The vertical or upright supports.
Counter brace
Post
Floor Truss
Gusset Plate
39. The bottom horizontal member of a truss. It extends the length of the deck truss but consists of shorter chord members spliced together
Tension Member
Gusset Plate
Lower Chord
Span
40. A structural steel shape - such as an angle - that is attached to a flat plate such as a gusset plate or the web of a member to add compression strength
Diagonal
Node
Stiffener
Truss
41. A structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
Span
Bridge
Base
Roller Bearing
42. A heavy column of wood - steel - or reinforced concrete sunk vertically into a stream or riverbed to support a bridge (also commonly used for docks and wharves). When the stream or river is not stabe (soft silt or mud) pilings or groups of piles are
Bearing
Pier
Pile
Truss Bridge
43. The stress above which permanent (plastic) deformation occurs
Gusset Plate
Live Load
Yield Stress
Cantilever
44. The stress a bridge must carry in the form of cars - trucks - people - trains - etc. This weight or load is constantly changing. Hopefully a bridge will carry MANY times it's own weight.
Live Load
Node
Vertical
Torsion
45. A plate that joins two chord members of a truss of that is used to extend the length of a member
Torsion
Splice Plate
Section Loss
Counter brace
46. In a bridge truss - a diagonal timber or support that slants away from the midpoint of the bridge.
Culvert
Pile
Gusset Plate
Counter brace
47. Any member of a truss that is subjected to tensile forces
Tension Member
Stiffener
Chord
Splice Plate