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