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