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