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