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