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