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