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