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