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