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