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Test your basic knowledge |
Transportation Engineering
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Subject
:
engineering
Instructions:
Answer 34 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. Asphalt: alligator - longitudinal - reflection - pothole - rutting - pumping --- Concrete: corner breaks - durability cracks - longitudinal crack - joint seal failure - scaling/spalling - blowup
Types of Pavement Failures
Types of Horizontal Curves
Design Speed
Running Speed
2. Infrastructure - vehicles - operators
Function of Roads
Standard PRT for SSD
Factors that affect design
Types of pavement surfaces
3. Term used to describe the way in which highway designers try to fit the highway to the terrain while maintaining design standards fro safety and performance
Running Speed
Geometric Design
Vertical Curves
Factors that affect design
4. Speed without any impacts of delay (TMS)
Types of Horizontal Curves
Running Speed
Superelevation is controlled by 4 factors
Operating Speed
5. Climate conditions - terrain - type of area (rural or urban); and frequency of slow moving vehicles
RHMVH
Types of pavement surfaces
Superelevation is controlled by 4 factors
Standard PRT for SSD
6. Curves - curves with spirals - broken back - compound curves - reverse curves
RHMVH
function of pavements
Rural Functional Classes
Types of Horizontal Curves
7. The distance required to react and brake -- does not impact geometric design until it is applied to the characteristics of design such as vertical curve length
horizontal alignment
veritcal alignment
Vertical Curves
Stopping Sight Distance
8. Sight distance - horizontal alignment - vertical alignment - combo of vert. and horiz. alignment - minimum cross slope - edge radii - ISD - freeway ramp junctions - horiz. and vert. clearances
VPT
Elements of Design
RHMVH
Operating Speed
9. Interchanges or intersections with unexpected or unusal maneuvers; changes in cross sectionl areas of concentrated demand
VPC
Approach sight triangle
Superelevation is controlled by 4 factors
When to apply DSD
10. Distance required to permit control of the vehicle to avoid collisions
Rural Functional Classes
Intersection Sight Distance
Running Speed
compound curves
11. Provide lateral guidance and support vehicles
VPT
Operating Speed
Stopping Sight Distance
function of pavements
12. Vertical point of curvature; PVC = PVI - g1^2(L)/2
Standard PRT for SSD
function of pavements
horizontal alignment
VPC
13. Multiple curves connected directly together go from large radii to smaller radii (similar to spiral curves)
Elements of Design
compound curves
VPC
Approach sight triangle
14. Must be able to see far enough to stop before the intersection
Approach sight triangle
Intersection Sight Distance
Standard deceleration rate for SSD braking
Types of Pavement Failures
15. 11.2 fps^2
Basis for Design
Design Standard References: Roadways & Rail
Standard deceleration rate for SSD braking
Horizontal Curves
16. Superelevation - side friction - radius
Types of Pavement Failures
horizontal alignment
Design Standard References: Roadways & Rail
Types of pavement surfaces
17. Must be able to see far enough to be able to cross the road from a stop
VPT
Departure sight triangle
horizontal alignment
VPC
18. Average speed of drivers (SMS)
Operating Speed
Design Standard References: Roadways & Rail
Approach sight triangle
Horizontal Curves
19. Vertical point of tangency; PVT = PVI + g2^2(L)/2
VPT
Geometric Design
Types of Pavement Failures
Vertical Curves
20. Mobility & Access
Function of Roads
Stopping Sight Distance
Types of Horizontal Curves
Design Speed
21. Two curves with different radii connected back to back in the same direction
Basis for Design
broken back
Superelevation is controlled by 4 factors
Types of Horizontal Curves
22. 2.5
Function of Roads
Standard PRT for SSD
Horizontal Curves
veritcal alignment
23. Interstate + Freeway/Expressway - Principal Arterial - Minor Arterial - Collector - Local
Departure sight triangle
Function of Roads
Geometric Design
Urban Functional Classes
24. Uses circular curves for constant radius; curves require superelevation; the length is measured along the curve between its beginning and ending point
compound curves
horizontal alignment
Types of pavement surfaces
Horizontal Curves
25. Grades - length
compound curves
Urban Functional Classes
veritcal alignment
Running Speed
26. Principal Arterial (freeway is the highest class) - Minor Arterial - Collector - Local Roads and Streets
compound curves
Functional Classes
Operating Speed
Rural Functional Classes
27. Rate per hundred million vehicle miles of travel
Elements of Design
Rural Functional Classes
RHMVH
Design Standard References: Roadways & Rail
28. Selected speed used to determine the various geometric design features of the roadway (controls your horizontal adn vertical curves)
VPT
Running Speed
Design Speed
Vertical Curves
29. Flexible: asphalt concrete; rigid: portland cement concrete
Types of pavement surfaces
Superelevation is controlled by 4 factors
function of pavements
Standard deceleration rate for SSD braking
30. Uses parabolic curve for variable radius; length is determined by the rate of change; length along the curve is the projected horizontal distance
Vertical Curves
Running Speed
RHMVH
RMEV
31. Rate per million entering vehicles
Urban Functional Classes
RMEV
RHMVH
Elements of Design
32. Roadways: AASHTO Green Book & TxDOT Roadway Design Manual Rail: American Railway Eng. Ass.
Types of Pavement Failures
function of pavements
Design Standard References: Roadways & Rail
Geometric Design
33. Design for function NOT volume; (Ex. Roads designed only on volume: Briarcrest Drive and Rock Prairie Rd)
Basis for Design
broken back
Operating Speed
Design Speed
34. Interstate - Principal Arterial - Minor Arterial - Major & Minor Collector - Local
Rural Functional Classes
Vertical Curves
Types of pavement surfaces
Urban Functional Classes
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