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