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