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