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