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