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