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