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