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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. A loss of metal usually resulting from corrosion - that reduces the thickness of a steel bridge component
Fracture-Critical Member
Pier
Member
Section Loss
2. The weight of all columns - beams - floors - roadways - arches - and other components of a bridge. The weight of the bridge itself.
Dead Load
Floor Truss
Stiffener
Functionally Obsolete
3. A vertical structure that supports the ends of a multispan superstructure at a location between abutments
Lower Chord
Fatigue
Web
Pier
4. A basic underlying element- infrastructure. The bottom or lowest part of a structure.
Truss
Base
Compression Member
Chord
5. The bridge structure that receives and supports traffic loads and in turn transfers those loads to the substructure.
Rivet
Diaphram
Superstructure
Post
6. A horizontal structural member supporting verticle loads by bending
Compression
Stringer
Girder
Span
7. 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
Functionally Obsolete
Web
Span
Stiffener
8. A beam aligned with the length of a span that supports the deck
Stringer
Shear
Live Load
Rocker Bearing
9. In metal - a brittle cracking mechanism caused by repitive loading over time
Shear
Fatigue
Gusset Plate
Abutment
10. A plate that joins two chord members of a truss of that is used to extend the length of a member
Bearing
Upper Chord
Splice Plate
H member
11. An individual angle - beam - plate - or built- up piece intended to become an integral part of an assembled frame or structure
Superstructure
Member
Span
Truss Bridge
12. In a bridge truss - a diagonal timber or support that slants away from the midpoint of the bridge.
Counter brace
Upper Chord
Chord
Diagonal
13. A bridge bearing comprising of a single roller or a group of rollers housed so as to permit longitun=dinal expansion or contraction
Cantilever
Member
Compression
Roller Bearing
14. A metal fastener
Roller Bearing
Rivet
Node
Floor Truss
15. The vertical or upright supports.
Vertical
Bridge
Post
H member
16. A connecting point where the upper and lower chords were joined
Node
Roller Bearing
Abutment
Compression Member
17. 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.
Shear
Substructure
Truss
Lower Chord
18. The vertical portion of an 'I' beam or girder
Post
Web
Bridge
H member
19. A device located between the bridge structure and a supporting pier or abutment
Superstructure
Bearing
Lower Chord
Floor Truss
20. A retaining wall that supports the ends of a bridge. It may be built of stone - bedrock - wood - iron - or concrete.
Abutment
Functionally Obsolete
Dead Load
Truss Bridge
21. A steel member within a non - load- path- redundnat structure - the failure of which would cause a partial or total collapse of the structure
Dead Load
Fracture-Critical Member
Compression
Pier
22. 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.
Cantilever
Upper Chord
Shear
Truss
23. A structural steel member with two flat flanges separated by a horizontal steel plate (web) to form an 'H'
Culvert
H member
Base
Node
24. A truss member that is subjected to compressive forces.
Compression Member
Counter brace
Diagonal
Rocker Bearing
25. The bottom horizontal member of a truss. It extends the length of the deck truss but consists of shorter chord members spliced together
Live Load
Truss
Lower Chord
Fracture-Critical Member
26. A force that causes part of a material to slide past one another in opposite direction
Truss Bridge
Shear
Dead Load
Fatigue
27. The horizontal space between two supports of a structure
Stringer
Span
H member
Bridge
28. A metal plate used to unite multiple structural members of a truss
Gusset Plate
H member
Abutment
Stiffener
29. A structural member that projects beyond a supporting column or wall and is supported only at one end.
Vertical
Cantilever
Pier
Tension
30. Act of twisting; twisting of a body by two opposing forces
Member
Culvert
Rivet
Torsion
31. A force that stretches or pulls on a material. Tension lengthens a material - any material.
Tension Member
Tension
Span
Floor Truss
32. 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 -
Web
Live Load
Functionally Obsolete
Culvert
33. Any member of a truss that is subjected to tensile forces
Base
Substructure
Tension Member
Splice Plate
34. A bridge typically composed of straight structural elements connected to form triangles.
Truss Bridge
Functionally Obsolete
Gusset Plate
Fatigue
35. 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.
Rivet
Live Load
Tension
Chord
36. A structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
Bridge
Compression
Compression Member
Abutment
37. A welded truss perpendicular to the main trusses - used to support the deck
Base
Floor Truss
Fatigue
Section Loss
38. The stress above which permanent (plastic) deformation occurs
Bearing
Yield Stress
Rivet
Live Load
39. 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.
Compression Member
Yield Stress
Compression
H member
40. Horizontal timbers or support at top and bottom between which vertical posts and diagonal braces are attached. (counter braces)
Roller Bearing
Splice Plate
Section Loss
Chord
41. A drain - pipe - or channel that allows water to pass under a road - railroad - or embankment.
Culvert
Web
Live Load
Fracture-Critical Member
42. The vertical member connecting the upper and lower chords at the like- numbered nodes.
Base
Splice Plate
Vertical
Upper Chord
43. Frameworks of beams or girders used for support. A truss can be metal (steel) or of wooden construction.
Shear
Truss
Lower Chord
Rivet
44. A structural member connecting the upper and lower chords on the diagonal (as opposed to the vertical).
Web
Live Load
Diagonal
Truss
45. A bridge support bearing that accommodates thermal expansion and contraction of the superstructure through a rocking action
Torsion
Rocker Bearing
Yield Stress
Lower Chord
46. 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
Vertical
Tension Member
Pile
Bridge
47. Bracing that spans between the main beams or girders of a bridge and assists in the distribution on loads
Diaphram
Yield Stress
Functionally Obsolete
Substructure