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