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