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