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