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