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