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