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