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