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