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