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