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