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Test your basic knowledge |
Transportation Engineering
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 34 questions in 30 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)
Basis for Design
Running Speed
Types of Pavement Failures
Rural Functional Classes
2. Uses circular curves for constant radius; curves require superelevation; the length is measured along the curve between its beginning and ending point
broken back
Departure sight triangle
Urban Functional Classes
Horizontal Curves
3. 2.5
broken back
Standard PRT for SSD
Departure sight triangle
horizontal alignment
4. Two curves with different radii connected back to back in the same direction
broken back
Horizontal Curves
Intersection Sight Distance
function of pavements
5. Distance required to permit control of the vehicle to avoid collisions
Departure sight triangle
Function of Roads
Design Speed
Intersection Sight Distance
6. Mobility & Access
Function of Roads
Urban Functional Classes
Vertical Curves
Elements of Design
7. Vertical point of tangency; PVT = PVI + g2^2(L)/2
Types of pavement surfaces
Rural Functional Classes
VPT
Approach sight triangle
8. Infrastructure - vehicles - operators
Basis for Design
Factors that affect design
Design Speed
Intersection Sight Distance
9. Must be able to see far enough to be able to cross the road from a stop
Departure sight triangle
VPC
Elements of Design
RHMVH
10. Speed without any impacts of delay (TMS)
Standard deceleration rate for SSD braking
Elements of Design
compound curves
Running Speed
11. Climate conditions - terrain - type of area (rural or urban); and frequency of slow moving vehicles
Types of pavement surfaces
Superelevation is controlled by 4 factors
Intersection Sight Distance
Basis for Design
12. Rate per million entering vehicles
Function of Roads
Types of Pavement Failures
broken back
RMEV
13. 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
Horizontal Curves
Rural Functional Classes
Geometric Design
Types of pavement surfaces
14. 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
RMEV
broken back
Elements of Design
Function of Roads
15. Superelevation - side friction - radius
Operating Speed
Types of pavement surfaces
Superelevation is controlled by 4 factors
horizontal alignment
16. Curves - curves with spirals - broken back - compound curves - reverse curves
Types of Horizontal Curves
Functional Classes
function of pavements
veritcal alignment
17. Vertical point of curvature; PVC = PVI - g1^2(L)/2
Geometric Design
Rural Functional Classes
VPC
Types of pavement surfaces
18. Selected speed used to determine the various geometric design features of the roadway (controls your horizontal adn vertical curves)
Design Speed
RMEV
Departure sight triangle
RHMVH
19. Flexible: asphalt concrete; rigid: portland cement concrete
Approach sight triangle
Types of Horizontal Curves
Types of pavement surfaces
VPC
20. Roadways: AASHTO Green Book & TxDOT Roadway Design Manual Rail: American Railway Eng. Ass.
Design Standard References: Roadways & Rail
Basis for Design
veritcal alignment
Operating Speed
21. Multiple curves connected directly together go from large radii to smaller radii (similar to spiral curves)
Standard deceleration rate for SSD braking
broken back
Elements of Design
compound curves
22. Interstate - Principal Arterial - Minor Arterial - Major & Minor Collector - Local
Rural Functional Classes
Functional Classes
Types of Pavement Failures
Factors that affect design
23. Provide lateral guidance and support vehicles
function of pavements
Factors that affect design
Operating Speed
Design Speed
24. 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
Urban Functional Classes
Vertical Curves
RHMVH
25. Must be able to see far enough to stop before the intersection
When to apply DSD
Geometric Design
Approach sight triangle
Elements of Design
26. Principal Arterial (freeway is the highest class) - Minor Arterial - Collector - Local Roads and Streets
Function of Roads
Functional Classes
Design Speed
broken back
27. Interstate + Freeway/Expressway - Principal Arterial - Minor Arterial - Collector - Local
Types of pavement surfaces
Urban Functional Classes
VPT
When to apply DSD
28. 11.2 fps^2
Rural Functional Classes
Approach sight triangle
Standard deceleration rate for SSD braking
Elements of Design
29. Grades - length
VPC
function of pavements
Operating Speed
veritcal alignment
30. 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
VPC
RMEV
Intersection Sight Distance
Stopping Sight Distance
31. Asphalt: alligator - longitudinal - reflection - pothole - rutting - pumping --- Concrete: corner breaks - durability cracks - longitudinal crack - joint seal failure - scaling/spalling - blowup
Types of pavement surfaces
broken back
Types of Pavement Failures
Types of Horizontal Curves
32. Rate per hundred million vehicle miles of travel
horizontal alignment
Stopping Sight Distance
When to apply DSD
RHMVH
33. Interchanges or intersections with unexpected or unusal maneuvers; changes in cross sectionl areas of concentrated demand
Function of Roads
Operating Speed
Intersection Sight Distance
When to apply DSD
34. Average speed of drivers (SMS)
Stopping Sight Distance
Types of pavement surfaces
RMEV
Operating Speed