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