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