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