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