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