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