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