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