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