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