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