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