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