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