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